Home / 115,890.15-173,616.53-108,016.95

Finding the Fourth Proportional to 115,890.15, 173,616.53 and 108,016.95

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Solution

The fourth proportional to 115,890.15, 173,616.53 and 108,016.95 is: 161,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,890.15 : 173,616.53 = 108,016.95 : x
  2. Step 2: Convert to fraction form
    115,890.15/173,616.53 = 108,016.95/x
  3. Step 3: Cross multiply
    115,890.15x = 173,616.53 × 108,016.95
  4. Step 4: Simplify right side
    115,890.15x = 18,753,527,500.10
  5. Step 5: Solve for x
    x = 18,753,527,500.10/115,890.15
  6. Step 6: Final answer
    x = 161,821.58

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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.