Home / 132,540.42-182,908.92-75,183.61

Finding the Fourth Proportional to 132,540.42, 182,908.92 and 75,183.61

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Solution

The fourth proportional to 132,540.42, 182,908.92 and 75,183.61 is: 103,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,540.42 : 182,908.92 = 75,183.61 : x
  2. Step 2: Convert to fraction form
    132,540.42/182,908.92 = 75,183.61/x
  3. Step 3: Cross multiply
    132,540.42x = 182,908.92 × 75,183.61
  4. Step 4: Simplify right side
    132,540.42x = 13,751,752,651.51
  5. Step 5: Solve for x
    x = 13,751,752,651.51/132,540.42
  6. Step 6: Final answer
    x = 103,755.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.