Home / 132,181.11-182,404.98-71,750.43

Finding the Fourth Proportional to 132,181.11, 182,404.98 and 71,750.43

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Solution

The fourth proportional to 132,181.11, 182,404.98 and 71,750.43 is: 99,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,181.11 : 182,404.98 = 71,750.43 : x
  2. Step 2: Convert to fraction form
    132,181.11/182,404.98 = 71,750.43/x
  3. Step 3: Cross multiply
    132,181.11x = 182,404.98 × 71,750.43
  4. Step 4: Simplify right side
    132,181.11x = 13,087,635,749.14
  5. Step 5: Solve for x
    x = 13,087,635,749.14/132,181.11
  6. Step 6: Final answer
    x = 99,012.91

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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.