Home / 351,921.11-527,881.05-99,201.11

Finding the Fourth Proportional to 351,921.11, 527,881.05 and 99,201.11

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Solution

The fourth proportional to 351,921.11, 527,881.05 and 99,201.11 is: 148,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,921.11 : 527,881.05 = 99,201.11 : x
  2. Step 2: Convert to fraction form
    351,921.11/527,881.05 = 99,201.11/x
  3. Step 3: Cross multiply
    351,921.11x = 527,881.05 × 99,201.11
  4. Step 4: Simplify right side
    351,921.11x = 52,366,383,468.56
  5. Step 5: Solve for x
    x = 52,366,383,468.56/351,921.11
  6. Step 6: Final answer
    x = 148,801.49

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Similar ratio
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1.5x scale

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.