Home / 132,321.30-182,602.62-71,891.46

Finding the Fourth Proportional to 132,321.30, 182,602.62 and 71,891.46

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Solution

The fourth proportional to 132,321.30, 182,602.62 and 71,891.46 is: 99,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,321.30 : 182,602.62 = 71,891.46 : x
  2. Step 2: Convert to fraction form
    132,321.30/182,602.62 = 71,891.46/x
  3. Step 3: Cross multiply
    132,321.30x = 182,602.62 × 71,891.46
  4. Step 4: Simplify right side
    132,321.30x = 13,127,568,951.63
  5. Step 5: Solve for x
    x = 13,127,568,951.63/132,321.30
  6. Step 6: Final answer
    x = 99,209.79

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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.