Home / 132,342.10-198,513.15-100,849.30

Finding the Fourth Proportional to 132,342.10, 198,513.15 and 100,849.30

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Solution

The fourth proportional to 132,342.10, 198,513.15 and 100,849.30 is: 151,273.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,342.10 : 198,513.15 = 100,849.30 : x
  2. Step 2: Convert to fraction form
    132,342.10/198,513.15 = 100,849.30/x
  3. Step 3: Cross multiply
    132,342.10x = 198,513.15 × 100,849.30
  4. Step 4: Simplify right side
    132,342.10x = 20,019,912,218.30
  5. Step 5: Solve for x
    x = 20,019,912,218.30/132,342.10
  6. Step 6: Final answer
    x = 151,273.95

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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.