Home / 132,660.56-198,990.84-43,890.24

Finding the Fourth Proportional to 132,660.56, 198,990.84 and 43,890.24

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Solution

The fourth proportional to 132,660.56, 198,990.84 and 43,890.24 is: 65,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,660.56 : 198,990.84 = 43,890.24 : x
  2. Step 2: Convert to fraction form
    132,660.56/198,990.84 = 43,890.24/x
  3. Step 3: Cross multiply
    132,660.56x = 198,990.84 × 43,890.24
  4. Step 4: Simplify right side
    132,660.56x = 8,733,755,725.40
  5. Step 5: Solve for x
    x = 8,733,755,725.40/132,660.56
  6. Step 6: Final answer
    x = 65,835.36

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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.