Home / 179,912.15-269,869.15-74,731.22

Finding the Fourth Proportional to 179,912.15, 269,869.15 and 74,731.22

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Solution

The fourth proportional to 179,912.15, 269,869.15 and 74,731.22 is: 112,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,912.15 : 269,869.15 = 74,731.22 : x
  2. Step 2: Convert to fraction form
    179,912.15/269,869.15 = 74,731.22/x
  3. Step 3: Cross multiply
    179,912.15x = 269,869.15 × 74,731.22
  4. Step 4: Simplify right side
    179,912.15x = 20,167,650,819.86
  5. Step 5: Solve for x
    x = 20,167,650,819.86/179,912.15
  6. Step 6: Final answer
    x = 112,097.21

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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.