Home / 132,187.92-182,422.64-71,758.56

Finding the Fourth Proportional to 132,187.92, 182,422.64 and 71,758.56

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Solution

The fourth proportional to 132,187.92, 182,422.64 and 71,758.56 is: 99,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,187.92 : 182,422.64 = 71,758.56 : x
  2. Step 2: Convert to fraction form
    132,187.92/182,422.64 = 71,758.56/x
  3. Step 3: Cross multiply
    132,187.92x = 182,422.64 × 71,758.56
  4. Step 4: Simplify right side
    132,187.92x = 13,090,385,957.80
  5. Step 5: Solve for x
    x = 13,090,385,957.80/132,187.92
  6. Step 6: Final answer
    x = 99,028.61

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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.