Home / 132,219.15-198,308.10-43,472.04

Finding the Fourth Proportional to 132,219.15, 198,308.10 and 43,472.04

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Solution

The fourth proportional to 132,219.15, 198,308.10 and 43,472.04 is: 65,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,219.15 : 198,308.10 = 43,472.04 : x
  2. Step 2: Convert to fraction form
    132,219.15/198,308.10 = 43,472.04/x
  3. Step 3: Cross multiply
    132,219.15x = 198,308.10 × 43,472.04
  4. Step 4: Simplify right side
    132,219.15x = 8,620,857,655.52
  5. Step 5: Solve for x
    x = 8,620,857,655.52/132,219.15
  6. Step 6: Final answer
    x = 65,201.28

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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.