Home / 156,331.90-215,738.22-84,711.92

Finding the Fourth Proportional to 156,331.90, 215,738.22 and 84,711.92

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Solution

The fourth proportional to 156,331.90, 215,738.22 and 84,711.92 is: 116,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,331.90 : 215,738.22 = 84,711.92 : x
  2. Step 2: Convert to fraction form
    156,331.90/215,738.22 = 84,711.92/x
  3. Step 3: Cross multiply
    156,331.90x = 215,738.22 × 84,711.92
  4. Step 4: Simplify right side
    156,331.90x = 18,275,598,833.58
  5. Step 5: Solve for x
    x = 18,275,598,833.58/156,331.90
  6. Step 6: Final answer
    x = 116,902.56

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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.