Home / 113,708.38-156,918.18-62,722.90

Finding the Fourth Proportional to 113,708.38, 156,918.18 and 62,722.90

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Solution

The fourth proportional to 113,708.38, 156,918.18 and 62,722.90 is: 86,557.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,708.38 : 156,918.18 = 62,722.90 : x
  2. Step 2: Convert to fraction form
    113,708.38/156,918.18 = 62,722.90/x
  3. Step 3: Cross multiply
    113,708.38x = 156,918.18 × 62,722.90
  4. Step 4: Simplify right side
    113,708.38x = 9,842,363,312.32
  5. Step 5: Solve for x
    x = 9,842,363,312.32/113,708.38
  6. Step 6: Final answer
    x = 86,557.94

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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.