Home / 132,630.49-198,947.80-73,839.84

Finding the Fourth Proportional to 132,630.49, 198,947.80 and 73,839.84

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Solution

The fourth proportional to 132,630.49, 198,947.80 and 73,839.84 is: 110,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,630.49 : 198,947.80 = 73,839.84 : x
  2. Step 2: Convert to fraction form
    132,630.49/198,947.80 = 73,839.84/x
  3. Step 3: Cross multiply
    132,630.49x = 198,947.80 × 73,839.84
  4. Step 4: Simplify right side
    132,630.49x = 14,690,273,066.60
  5. Step 5: Solve for x
    x = 14,690,273,066.60/132,630.49
  6. Step 6: Final answer
    x = 110,760.90

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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.