Home / 132,623.74-198,936.15-53,739.46

Finding the Fourth Proportional to 132,623.74, 198,936.15 and 53,739.46

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Solution

The fourth proportional to 132,623.74, 198,936.15 and 53,739.46 is: 80,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,623.74 : 198,936.15 = 53,739.46 : x
  2. Step 2: Convert to fraction form
    132,623.74/198,936.15 = 53,739.46/x
  3. Step 3: Cross multiply
    132,623.74x = 198,936.15 × 53,739.46
  4. Step 4: Simplify right side
    132,623.74x = 10,690,721,275.48
  5. Step 5: Solve for x
    x = 10,690,721,275.48/132,623.74
  6. Step 6: Final answer
    x = 80,609.41

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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.