Home / 344,938.71-517,408.20-155,177.43

Finding the Fourth Proportional to 344,938.71, 517,408.20 and 155,177.43

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Solution

The fourth proportional to 344,938.71, 517,408.20 and 155,177.43 is: 232,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,938.71 : 517,408.20 = 155,177.43 : x
  2. Step 2: Convert to fraction form
    344,938.71/517,408.20 = 155,177.43/x
  3. Step 3: Cross multiply
    344,938.71x = 517,408.20 × 155,177.43
  4. Step 4: Simplify right side
    344,938.71x = 80,290,074,736.93
  5. Step 5: Solve for x
    x = 80,290,074,736.93/344,938.71
  6. Step 6: Final answer
    x = 232,766.21

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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.