Home / 132,843.11-183,319.82-72,414.93

Finding the Fourth Proportional to 132,843.11, 183,319.82 and 72,414.93

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Solution

The fourth proportional to 132,843.11, 183,319.82 and 72,414.93 is: 99,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,843.11 : 183,319.82 = 72,414.93 : x
  2. Step 2: Convert to fraction form
    132,843.11/183,319.82 = 72,414.93/x
  3. Step 3: Cross multiply
    132,843.11x = 183,319.82 × 72,414.93
  4. Step 4: Simplify right side
    132,843.11x = 13,275,091,932.91
  5. Step 5: Solve for x
    x = 13,275,091,932.91/132,843.11
  6. Step 6: Final answer
    x = 99,930.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.