Home / 577,125.20-865,687.82-156,401.07

Finding the Fourth Proportional to 577,125.20, 865,687.82 and 156,401.07

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Solution

The fourth proportional to 577,125.20, 865,687.82 and 156,401.07 is: 234,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,125.20 : 865,687.82 = 156,401.07 : x
  2. Step 2: Convert to fraction form
    577,125.20/865,687.82 = 156,401.07/x
  3. Step 3: Cross multiply
    577,125.20x = 865,687.82 × 156,401.07
  4. Step 4: Simplify right side
    577,125.20x = 135,394,500,551.96
  5. Step 5: Solve for x
    x = 135,394,500,551.96/577,125.20
  6. Step 6: Final answer
    x = 234,601.61

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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.