Home / 541,177.40-811,138.71-204,002.15

Finding the Fourth Proportional to 541,177.40, 811,138.71 and 204,002.15

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Solution

The fourth proportional to 541,177.40, 811,138.71 and 204,002.15 is: 305,766.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,177.40 : 811,138.71 = 204,002.15 : x
  2. Step 2: Convert to fraction form
    541,177.40/811,138.71 = 204,002.15/x
  3. Step 3: Cross multiply
    541,177.40x = 811,138.71 × 204,002.15
  4. Step 4: Simplify right side
    541,177.40x = 165,474,036,350.03
  5. Step 5: Solve for x
    x = 165,474,036,350.03/541,177.40
  6. Step 6: Final answer
    x = 305,766.71

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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.