Home / 124,149.38-185,864.99-111,329.91

Finding the Fourth Proportional to 124,149.38, 185,864.99 and 111,329.91

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Solution

The fourth proportional to 124,149.38, 185,864.99 and 111,329.91 is: 166,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,149.38 : 185,864.99 = 111,329.91 : x
  2. Step 2: Convert to fraction form
    124,149.38/185,864.99 = 111,329.91/x
  3. Step 3: Cross multiply
    124,149.38x = 185,864.99 × 111,329.91
  4. Step 4: Simplify right side
    124,149.38x = 20,692,332,052.20
  5. Step 5: Solve for x
    x = 20,692,332,052.20/124,149.38
  6. Step 6: Final answer
    x = 166,672.87

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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.