Home / 113,306.59-156,359.80-62,319.12

Finding the Fourth Proportional to 113,306.59, 156,359.80 and 62,319.12

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Solution

The fourth proportional to 113,306.59, 156,359.80 and 62,319.12 is: 85,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,306.59 : 156,359.80 = 62,319.12 : x
  2. Step 2: Convert to fraction form
    113,306.59/156,359.80 = 62,319.12/x
  3. Step 3: Cross multiply
    113,306.59x = 156,359.80 × 62,319.12
  4. Step 4: Simplify right side
    113,306.59x = 9,744,205,139.38
  5. Step 5: Solve for x
    x = 9,744,205,139.38/113,306.59
  6. Step 6: Final answer
    x = 85,998.57

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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.