Home / 230,192.20-345,326.10-72,382.60

Finding the Fourth Proportional to 230,192.20, 345,326.10 and 72,382.60

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Solution

The fourth proportional to 230,192.20, 345,326.10 and 72,382.60 is: 108,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,192.20 : 345,326.10 = 72,382.60 : x
  2. Step 2: Convert to fraction form
    230,192.20/345,326.10 = 72,382.60/x
  3. Step 3: Cross multiply
    230,192.20x = 345,326.10 × 72,382.60
  4. Step 4: Simplify right side
    230,192.20x = 24,995,600,965.86
  5. Step 5: Solve for x
    x = 24,995,600,965.86/230,192.20
  6. Step 6: Final answer
    x = 108,585.79

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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.