Home / 132,187.95-182,419.49-71,758.56

Finding the Fourth Proportional to 132,187.95, 182,419.49 and 71,758.56

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Solution

The fourth proportional to 132,187.95, 182,419.49 and 71,758.56 is: 99,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,187.95 : 182,419.49 = 71,758.56 : x
  2. Step 2: Convert to fraction form
    132,187.95/182,419.49 = 71,758.56/x
  3. Step 3: Cross multiply
    132,187.95x = 182,419.49 × 71,758.56
  4. Step 4: Simplify right side
    132,187.95x = 13,090,159,755.69
  5. Step 5: Solve for x
    x = 13,090,159,755.69/132,187.95
  6. Step 6: Final answer
    x = 99,026.88

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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.