Home / 230,067.08-345,183.66-80,329.43

Finding the Fourth Proportional to 230,067.08, 345,183.66 and 80,329.43

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Solution

The fourth proportional to 230,067.08, 345,183.66 and 80,329.43 is: 120,523.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,067.08 : 345,183.66 = 80,329.43 : x
  2. Step 2: Convert to fraction form
    230,067.08/345,183.66 = 80,329.43/x
  3. Step 3: Cross multiply
    230,067.08x = 345,183.66 × 80,329.43
  4. Step 4: Simplify right side
    230,067.08x = 27,728,405,920.40
  5. Step 5: Solve for x
    x = 27,728,405,920.40/230,067.08
  6. Step 6: Final answer
    x = 120,523.14

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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.