Home / 132,884.13-199,129.28-109,358.85

Finding the Fourth Proportional to 132,884.13, 199,129.28 and 109,358.85

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Solution

The fourth proportional to 132,884.13, 199,129.28 and 109,358.85 is: 163,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,884.13 : 199,129.28 = 109,358.85 : x
  2. Step 2: Convert to fraction form
    132,884.13/199,129.28 = 109,358.85/x
  3. Step 3: Cross multiply
    132,884.13x = 199,129.28 × 109,358.85
  4. Step 4: Simplify right side
    132,884.13x = 21,776,549,062.13
  5. Step 5: Solve for x
    x = 21,776,549,062.13/132,884.13
  6. Step 6: Final answer
    x = 163,876.22

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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.