Home / 132,104.72-198,115.45-43,337.54

Finding the Fourth Proportional to 132,104.72, 198,115.45 and 43,337.54

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Solution

The fourth proportional to 132,104.72, 198,115.45 and 43,337.54 is: 64,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,104.72 : 198,115.45 = 43,337.54 : x
  2. Step 2: Convert to fraction form
    132,104.72/198,115.45 = 43,337.54/x
  3. Step 3: Cross multiply
    132,104.72x = 198,115.45 × 43,337.54
  4. Step 4: Simplify right side
    132,104.72x = 8,585,836,347.34
  5. Step 5: Solve for x
    x = 8,585,836,347.34/132,104.72
  6. Step 6: Final answer
    x = 64,992.65

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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.