Home / 113,144.27-156,140.10-62,158.14

Finding the Fourth Proportional to 113,144.27, 156,140.10 and 62,158.14

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Solution

The fourth proportional to 113,144.27, 156,140.10 and 62,158.14 is: 85,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,144.27 : 156,140.10 = 62,158.14 : x
  2. Step 2: Convert to fraction form
    113,144.27/156,140.10 = 62,158.14/x
  3. Step 3: Cross multiply
    113,144.27x = 156,140.10 × 62,158.14
  4. Step 4: Simplify right side
    113,144.27x = 9,705,378,195.41
  5. Step 5: Solve for x
    x = 9,705,378,195.41/113,144.27
  6. Step 6: Final answer
    x = 85,778.79

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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.