Home / 115,489.20-173,238.66-36,601.68

Finding the Fourth Proportional to 115,489.20, 173,238.66 and 36,601.68

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Solution

The fourth proportional to 115,489.20, 173,238.66 and 36,601.68 is: 54,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,489.20 : 173,238.66 = 36,601.68 : x
  2. Step 2: Convert to fraction form
    115,489.20/173,238.66 = 36,601.68/x
  3. Step 3: Cross multiply
    115,489.20x = 173,238.66 × 36,601.68
  4. Step 4: Simplify right side
    115,489.20x = 6,340,825,996.95
  5. Step 5: Solve for x
    x = 6,340,825,996.95/115,489.20
  6. Step 6: Final answer
    x = 54,904.06

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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.