Home / 132,358.20-198,600.66-82,424.76

Finding the Fourth Proportional to 132,358.20, 198,600.66 and 82,424.76

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Solution

The fourth proportional to 132,358.20, 198,600.66 and 82,424.76 is: 123,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,358.20 : 198,600.66 = 82,424.76 : x
  2. Step 2: Convert to fraction form
    132,358.20/198,600.66 = 82,424.76/x
  3. Step 3: Cross multiply
    132,358.20x = 198,600.66 × 82,424.76
  4. Step 4: Simplify right side
    132,358.20x = 16,369,611,736.34
  5. Step 5: Solve for x
    x = 16,369,611,736.34/132,358.20
  6. Step 6: Final answer
    x = 123,676.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.