Home / 115,896.90-173,626.65-108,023.70

Finding the Fourth Proportional to 115,896.90, 173,626.65 and 108,023.70

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Solution

The fourth proportional to 115,896.90, 173,626.65 and 108,023.70 is: 161,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,896.90 : 173,626.65 = 108,023.70 : x
  2. Step 2: Convert to fraction form
    115,896.90/173,626.65 = 108,023.70/x
  3. Step 3: Cross multiply
    115,896.90x = 173,626.65 × 108,023.70
  4. Step 4: Simplify right side
    115,896.90x = 18,755,793,151.61
  5. Step 5: Solve for x
    x = 18,755,793,151.61/115,896.90
  6. Step 6: Final answer
    x = 161,831.71

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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.