Home / 132,742.62-183,183.39-76,162.86

Finding the Fourth Proportional to 132,742.62, 183,183.39 and 76,162.86

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Solution

The fourth proportional to 132,742.62, 183,183.39 and 76,162.86 is: 105,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,742.62 : 183,183.39 = 76,162.86 : x
  2. Step 2: Convert to fraction form
    132,742.62/183,183.39 = 76,162.86/x
  3. Step 3: Cross multiply
    132,742.62x = 183,183.39 × 76,162.86
  4. Step 4: Simplify right side
    132,742.62x = 13,951,770,886.90
  5. Step 5: Solve for x
    x = 13,951,770,886.90/132,742.62
  6. Step 6: Final answer
    x = 105,103.93

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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.