Home / 113,378.60-156,463.89-62,397.20

Finding the Fourth Proportional to 113,378.60, 156,463.89 and 62,397.20

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Solution

The fourth proportional to 113,378.60, 156,463.89 and 62,397.20 is: 86,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,378.60 : 156,463.89 = 62,397.20 : x
  2. Step 2: Convert to fraction form
    113,378.60/156,463.89 = 62,397.20/x
  3. Step 3: Cross multiply
    113,378.60x = 156,463.89 × 62,397.20
  4. Step 4: Simplify right side
    113,378.60x = 9,762,907,542.80
  5. Step 5: Solve for x
    x = 9,762,907,542.80/113,378.60
  6. Step 6: Final answer
    x = 86,108.91

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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.