# 130 percent of 170?

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### Solution for 'What is 130% of 170?'

In all the following examples consider that:

• The percentage figure is represented by X%
• The whole amount is represented by W
• The portion amount or part is represented by P

#### Solution Steps

The following question is of the type "How much X percent of W", where W is the whole amount and X is the percentage figure or rate".

Let's say that you need to find 130 percent of 170. What are the steps?

Step 1: first determine the value of the whole amount. We assume that the whole amount is 170.

Step 2: determine the percentage, which is 130.

Step 3: Convert the percentage 130% to its decimal form by dividing 130 into 100 to get the decimal number 1.3:

130100 = 1.3

Notice that dividing into 100 is the same as moving the decimal point two places to the left.

130.0 → 13.00 → 1.30

Step 4: Finally, find the portion by multiplying the decimal form, found in the previous step, by the whole amount:

1.3 x 170 = 221 (answer).

The steps above are expressed by the formula:

P = W × X%100

This formula says that:

"To find the portion or the part from the whole amount, multiply the whole by the percentage, then divide the result by 100".

The symbol % means the percentage expressed in a fraction or multiple of one hundred.

Replacing these values in the formula, we get:

P = 170 × 130100 = 170 × 1.3 = 221 (answer)

Therefore, the answer is 221 is 130 percent of 170.

### Solution for '130 is what percent of 170?'

The following question is of the type "P is what percent of W,” where W is the whole amount and P is the portion amount".

The following problem is of the type "calculating the percentage from a whole knowing the part".

#### Solution Steps

As in the previous example, here are the step-by-step solution:

Step 1: first determine the value of the whole amount. We assume that it is 170.

(notice that this corresponds to 100%).

Step 2: Remember that we are looking for the percentage 'percentage'.

To solve this question, use the following formula:

X% = 100 × PW

This formula says that:

"To find the percentage from the whole, knowing the part, divide the part by the whole then multiply the result by 100".

This formula is the same as the previous one shown in a different way in order to have percent (%) at left.

Step 3: replacing the values into the formula, we get:

X% = 100 × 130170

X% = 13000170

So, the answer is 130 is 76.47 percent of 170

### Solution for '170 is 130 percent of what?'

The following problem is of the type "calculating the whole knowing the part and the percentage".

### Solution Steps:

Step 1: first determine the value of the part. We assume that the part is 170.

Step 2: identify the percent, which is 130.

Step 3: use the formula below:

W = 100 × PX%

This formula says that:

"To find the whole, divide the part by the percentage then multiply the result by 100".

This formula is the same as the above rearranged to show the whole at left.

Step 4: plug the values into the formula to get:

W = 100 × 170130

W = 100 × 1.3076923076923