Home / 180,789.92-271,174.11-80,923.30

Finding the Fourth Proportional to 180,789.92, 271,174.11 and 80,923.30

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Solution

The fourth proportional to 180,789.92, 271,174.11 and 80,923.30 is: 121,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,789.92 : 271,174.11 = 80,923.30 : x
  2. Step 2: Convert to fraction form
    180,789.92/271,174.11 = 80,923.30/x
  3. Step 3: Cross multiply
    180,789.92x = 271,174.11 × 80,923.30
  4. Step 4: Simplify right side
    180,789.92x = 21,944,304,854.91
  5. Step 5: Solve for x
    x = 21,944,304,854.91/180,789.92
  6. Step 6: Final answer
    x = 121,380.13

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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.