Home / 132,560.20-198,743.10-53,633.80

Finding the Fourth Proportional to 132,560.20, 198,743.10 and 53,633.80

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Solution

The fourth proportional to 132,560.20, 198,743.10 and 53,633.80 is: 80,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,560.20 : 198,743.10 = 53,633.80 : x
  2. Step 2: Convert to fraction form
    132,560.20/198,743.10 = 53,633.80/x
  3. Step 3: Cross multiply
    132,560.20x = 198,743.10 × 53,633.80
  4. Step 4: Simplify right side
    132,560.20x = 10,659,347,676.78
  5. Step 5: Solve for x
    x = 10,659,347,676.78/132,560.20
  6. Step 6: Final answer
    x = 80,411.37

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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.