Home / 113,206.98-156,229.39-62,221.53

Finding the Fourth Proportional to 113,206.98, 156,229.39 and 62,221.53

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Solution

The fourth proportional to 113,206.98, 156,229.39 and 62,221.53 is: 85,867.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,206.98 : 156,229.39 = 62,221.53 : x
  2. Step 2: Convert to fraction form
    113,206.98/156,229.39 = 62,221.53/x
  3. Step 3: Cross multiply
    113,206.98x = 156,229.39 × 62,221.53
  4. Step 4: Simplify right side
    113,206.98x = 9,720,832,340.40
  5. Step 5: Solve for x
    x = 9,720,832,340.40/113,206.98
  6. Step 6: Final answer
    x = 85,867.78

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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.