Home / 132,400.46-182,708.61-75,808.10

Finding the Fourth Proportional to 132,400.46, 182,708.61 and 75,808.10

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Solution

The fourth proportional to 132,400.46, 182,708.61 and 75,808.10 is: 104,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,400.46 : 182,708.61 = 75,808.10 : x
  2. Step 2: Convert to fraction form
    132,400.46/182,708.61 = 75,808.10/x
  3. Step 3: Cross multiply
    132,400.46x = 182,708.61 × 75,808.10
  4. Step 4: Simplify right side
    132,400.46x = 13,850,792,577.74
  5. Step 5: Solve for x
    x = 13,850,792,577.74/132,400.46
  6. Step 6: Final answer
    x = 104,612.87

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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.