Home / 152,194.16-209,899.08-91,751.60

Finding the Fourth Proportional to 152,194.16, 209,899.08 and 91,751.60

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Solution

The fourth proportional to 152,194.16, 209,899.08 and 91,751.60 is: 126,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,194.16 : 209,899.08 = 91,751.60 : x
  2. Step 2: Convert to fraction form
    152,194.16/209,899.08 = 91,751.60/x
  3. Step 3: Cross multiply
    152,194.16x = 209,899.08 × 91,751.60
  4. Step 4: Simplify right side
    152,194.16x = 19,258,576,428.53
  5. Step 5: Solve for x
    x = 19,258,576,428.53/152,194.16
  6. Step 6: Final answer
    x = 126,539.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.