Home / 230,531.32-345,952.68-80,772.76

Finding the Fourth Proportional to 230,531.32, 345,952.68 and 80,772.76

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Solution

The fourth proportional to 230,531.32, 345,952.68 and 80,772.76 is: 121,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,531.32 : 345,952.68 = 80,772.76 : x
  2. Step 2: Convert to fraction form
    230,531.32/345,952.68 = 80,772.76/x
  3. Step 3: Cross multiply
    230,531.32x = 345,952.68 × 80,772.76
  4. Step 4: Simplify right side
    230,531.32x = 27,943,552,793.00
  5. Step 5: Solve for x
    x = 27,943,552,793.00/230,531.32
  6. Step 6: Final answer
    x = 121,213.69

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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.