Home / 440,132.13-660,198.20-124,591.77

Finding the Fourth Proportional to 440,132.13, 660,198.20 and 124,591.77

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Solution

The fourth proportional to 440,132.13, 660,198.20 and 124,591.77 is: 186,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,132.13 : 660,198.20 = 124,591.77 : x
  2. Step 2: Convert to fraction form
    440,132.13/660,198.20 = 124,591.77/x
  3. Step 3: Cross multiply
    440,132.13x = 660,198.20 × 124,591.77
  4. Step 4: Simplify right side
    440,132.13x = 82,255,261,665.86
  5. Step 5: Solve for x
    x = 82,255,261,665.86/440,132.13
  6. Step 6: Final answer
    x = 186,887.66

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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.