Home / 132,100.27-198,148.11-53,212.48

Finding the Fourth Proportional to 132,100.27, 198,148.11 and 53,212.48

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Solution

The fourth proportional to 132,100.27, 198,148.11 and 53,212.48 is: 79,817.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,100.27 : 198,148.11 = 53,212.48 : x
  2. Step 2: Convert to fraction form
    132,100.27/198,148.11 = 53,212.48/x
  3. Step 3: Cross multiply
    132,100.27x = 198,148.11 × 53,212.48
  4. Step 4: Simplify right side
    132,100.27x = 10,543,951,645.50
  5. Step 5: Solve for x
    x = 10,543,951,645.50/132,100.27
  6. Step 6: Final answer
    x = 79,817.79

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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.