Home / 325,366.20-488,049.30-115,003.80

Finding the Fourth Proportional to 325,366.20, 488,049.30 and 115,003.80

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Solution

The fourth proportional to 325,366.20, 488,049.30 and 115,003.80 is: 172,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,366.20 : 488,049.30 = 115,003.80 : x
  2. Step 2: Convert to fraction form
    325,366.20/488,049.30 = 115,003.80/x
  3. Step 3: Cross multiply
    325,366.20x = 488,049.30 × 115,003.80
  4. Step 4: Simplify right side
    325,366.20x = 56,127,524,087.34
  5. Step 5: Solve for x
    x = 56,127,524,087.34/325,366.20
  6. Step 6: Final answer
    x = 172,505.70

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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.