Home / 132,937.32-199,443.66-54,108.12

Finding the Fourth Proportional to 132,937.32, 199,443.66 and 54,108.12

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Solution

The fourth proportional to 132,937.32, 199,443.66 and 54,108.12 is: 81,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,937.32 : 199,443.66 = 54,108.12 : x
  2. Step 2: Convert to fraction form
    132,937.32/199,443.66 = 54,108.12/x
  3. Step 3: Cross multiply
    132,937.32x = 199,443.66 × 54,108.12
  4. Step 4: Simplify right side
    132,937.32x = 10,791,521,488.52
  5. Step 5: Solve for x
    x = 10,791,521,488.52/132,937.32
  6. Step 6: Final answer
    x = 81,177.52

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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.