Home / 153,279.68-229,910.08-57,198.20

Finding the Fourth Proportional to 153,279.68, 229,910.08 and 57,198.20

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Solution

The fourth proportional to 153,279.68, 229,910.08 and 57,198.20 is: 85,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,279.68 : 229,910.08 = 57,198.20 : x
  2. Step 2: Convert to fraction form
    153,279.68/229,910.08 = 57,198.20/x
  3. Step 3: Cross multiply
    153,279.68x = 229,910.08 × 57,198.20
  4. Step 4: Simplify right side
    153,279.68x = 13,150,442,737.86
  5. Step 5: Solve for x
    x = 13,150,442,737.86/153,279.68
  6. Step 6: Final answer
    x = 85,793.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.