Home / 115,686.54-173,049.96-108,600.66

Finding the Fourth Proportional to 115,686.54, 173,049.96 and 108,600.66

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Solution

The fourth proportional to 115,686.54, 173,049.96 and 108,600.66 is: 162,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,686.54 : 173,049.96 = 108,600.66 : x
  2. Step 2: Convert to fraction form
    115,686.54/173,049.96 = 108,600.66/x
  3. Step 3: Cross multiply
    115,686.54x = 173,049.96 × 108,600.66
  4. Step 4: Simplify right side
    115,686.54x = 18,793,339,868.97
  5. Step 5: Solve for x
    x = 18,793,339,868.97/115,686.54
  6. Step 6: Final answer
    x = 162,450.53

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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.