Home / 515,567.72-773,167.04-178,517.87

Finding the Fourth Proportional to 515,567.72, 773,167.04 and 178,517.87

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Solution

The fourth proportional to 515,567.72, 773,167.04 and 178,517.87 is: 267,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,567.72 : 773,167.04 = 178,517.87 : x
  2. Step 2: Convert to fraction form
    515,567.72/773,167.04 = 178,517.87/x
  3. Step 3: Cross multiply
    515,567.72x = 773,167.04 × 178,517.87
  4. Step 4: Simplify right side
    515,567.72x = 138,024,132,242.42
  5. Step 5: Solve for x
    x = 138,024,132,242.42/515,567.72
  6. Step 6: Final answer
    x = 267,712.91

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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.