Home / 193,350.89-266,826.05-108,469.78

Finding the Fourth Proportional to 193,350.89, 266,826.05 and 108,469.78

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Solution

The fourth proportional to 193,350.89, 266,826.05 and 108,469.78 is: 149,689.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,350.89 : 266,826.05 = 108,469.78 : x
  2. Step 2: Convert to fraction form
    193,350.89/266,826.05 = 108,469.78/x
  3. Step 3: Cross multiply
    193,350.89x = 266,826.05 × 108,469.78
  4. Step 4: Simplify right side
    193,350.89x = 28,942,562,545.88
  5. Step 5: Solve for x
    x = 28,942,562,545.88/193,350.89
  6. Step 6: Final answer
    x = 149,689.31

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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.