Home / 132,091.92-198,007.38-84,571.74

Finding the Fourth Proportional to 132,091.92, 198,007.38 and 84,571.74

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Solution

The fourth proportional to 132,091.92, 198,007.38 and 84,571.74 is: 126,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,091.92 : 198,007.38 = 84,571.74 : x
  2. Step 2: Convert to fraction form
    132,091.92/198,007.38 = 84,571.74/x
  3. Step 3: Cross multiply
    132,091.92x = 198,007.38 × 84,571.74
  4. Step 4: Simplify right side
    132,091.92x = 16,745,828,659.44
  5. Step 5: Solve for x
    x = 16,745,828,659.44/132,091.92
  6. Step 6: Final answer
    x = 126,774.06

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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.