Home / 132,910.84-183,414.66-72,481.96

Finding the Fourth Proportional to 132,910.84, 183,414.66 and 72,481.96

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Solution

The fourth proportional to 132,910.84, 183,414.66 and 72,481.96 is: 100,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,910.84 : 183,414.66 = 72,481.96 : x
  2. Step 2: Convert to fraction form
    132,910.84/183,414.66 = 72,481.96/x
  3. Step 3: Cross multiply
    132,910.84x = 183,414.66 × 72,481.96
  4. Step 4: Simplify right side
    132,910.84x = 13,294,254,049.53
  5. Step 5: Solve for x
    x = 13,294,254,049.53/132,910.84
  6. Step 6: Final answer
    x = 100,023.85

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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.