Home / 132,173.18-182,399.15-71,743.79

Finding the Fourth Proportional to 132,173.18, 182,399.15 and 71,743.79

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Solution

The fourth proportional to 132,173.18, 182,399.15 and 71,743.79 is: 99,006.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,173.18 : 182,399.15 = 71,743.79 : x
  2. Step 2: Convert to fraction form
    132,173.18/182,399.15 = 71,743.79/x
  3. Step 3: Cross multiply
    132,173.18x = 182,399.15 × 71,743.79
  4. Step 4: Simplify right side
    132,173.18x = 13,086,006,313.78
  5. Step 5: Solve for x
    x = 13,086,006,313.78/132,173.18
  6. Step 6: Final answer
    x = 99,006.52

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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.