Home / 132,790.24-198,833.82-109,520.56

Finding the Fourth Proportional to 132,790.24, 198,833.82 and 109,520.56

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Solution

The fourth proportional to 132,790.24, 198,833.82 and 109,520.56 is: 163,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,790.24 : 198,833.82 = 109,520.56 : x
  2. Step 2: Convert to fraction form
    132,790.24/198,833.82 = 109,520.56/x
  3. Step 3: Cross multiply
    132,790.24x = 198,833.82 × 109,520.56
  4. Step 4: Simplify right side
    132,790.24x = 21,776,391,313.34
  5. Step 5: Solve for x
    x = 21,776,391,313.34/132,790.24
  6. Step 6: Final answer
    x = 163,990.90

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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.