Home / 132,074.20-197,761.38-69,613.48

Finding the Fourth Proportional to 132,074.20, 197,761.38 and 69,613.48

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Solution

The fourth proportional to 132,074.20, 197,761.38 and 69,613.48 is: 104,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,074.20 : 197,761.38 = 69,613.48 : x
  2. Step 2: Convert to fraction form
    132,074.20/197,761.38 = 69,613.48/x
  3. Step 3: Cross multiply
    132,074.20x = 197,761.38 × 69,613.48
  4. Step 4: Simplify right side
    132,074.20x = 13,766,857,871.40
  5. Step 5: Solve for x
    x = 13,766,857,871.40/132,074.20
  6. Step 6: Final answer
    x = 104,235.78

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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.