Home / 132,118.50-198,198.39-43,351.81

Finding the Fourth Proportional to 132,118.50, 198,198.39 and 43,351.81

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Solution

The fourth proportional to 132,118.50, 198,198.39 and 43,351.81 is: 65,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,118.50 : 198,198.39 = 43,351.81 : x
  2. Step 2: Convert to fraction form
    132,118.50/198,198.39 = 43,351.81/x
  3. Step 3: Cross multiply
    132,118.50x = 198,198.39 × 43,351.81
  4. Step 4: Simplify right side
    132,118.50x = 8,592,258,945.59
  5. Step 5: Solve for x
    x = 8,592,258,945.59/132,118.50
  6. Step 6: Final answer
    x = 65,034.49

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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.