Home / 351,375-527,161.04-141,160.56

Finding the Fourth Proportional to 351,375, 527,161.04 and 141,160.56

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Solution

The fourth proportional to 351,375, 527,161.04 and 141,160.56 is: 211,780.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,375 : 527,161.04 = 141,160.56 : x
  2. Step 2: Convert to fraction form
    351,375/527,161.04 = 141,160.56/x
  3. Step 3: Cross multiply
    351,375x = 527,161.04 × 141,160.56
  4. Step 4: Simplify right side
    351,375x = 74,414,347,616.58
  5. Step 5: Solve for x
    x = 74,414,347,616.58/351,375
  6. Step 6: Final answer
    x = 211,780.43

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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.