Home / 132,787.16-199,180.19-53,900.72

Finding the Fourth Proportional to 132,787.16, 199,180.19 and 53,900.72

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Solution

The fourth proportional to 132,787.16, 199,180.19 and 53,900.72 is: 80,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,787.16 : 199,180.19 = 53,900.72 : x
  2. Step 2: Convert to fraction form
    132,787.16/199,180.19 = 53,900.72/x
  3. Step 3: Cross multiply
    132,787.16x = 199,180.19 × 53,900.72
  4. Step 4: Simplify right side
    132,787.16x = 10,735,954,654.84
  5. Step 5: Solve for x
    x = 10,735,954,654.84/132,787.16
  6. Step 6: Final answer
    x = 80,850.85

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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.