Home / 230,704.43-345,431.32-119,663.15

Finding the Fourth Proportional to 230,704.43, 345,431.32 and 119,663.15

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Solution

The fourth proportional to 230,704.43, 345,431.32 and 119,663.15 is: 179,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,704.43 : 345,431.32 = 119,663.15 : x
  2. Step 2: Convert to fraction form
    230,704.43/345,431.32 = 119,663.15/x
  3. Step 3: Cross multiply
    230,704.43x = 345,431.32 × 119,663.15
  4. Step 4: Simplify right side
    230,704.43x = 41,335,397,833.54
  5. Step 5: Solve for x
    x = 41,335,397,833.54/230,704.43
  6. Step 6: Final answer
    x = 179,170.37

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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.