Home / 132,471.05-198,731.23-61,346.73

Finding the Fourth Proportional to 132,471.05, 198,731.23 and 61,346.73

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Solution

The fourth proportional to 132,471.05, 198,731.23 and 61,346.73 is: 92,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,471.05 : 198,731.23 = 61,346.73 : x
  2. Step 2: Convert to fraction form
    132,471.05/198,731.23 = 61,346.73/x
  3. Step 3: Cross multiply
    132,471.05x = 198,731.23 × 61,346.73
  4. Step 4: Simplify right side
    132,471.05x = 12,191,511,109.38
  5. Step 5: Solve for x
    x = 12,191,511,109.38/132,471.05
  6. Step 6: Final answer
    x = 92,031.51

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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.