Home / 378,576.43-567,741.78-125,789.04

Finding the Fourth Proportional to 378,576.43, 567,741.78 and 125,789.04

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Solution

The fourth proportional to 378,576.43, 567,741.78 and 125,789.04 is: 188,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,576.43 : 567,741.78 = 125,789.04 : x
  2. Step 2: Convert to fraction form
    378,576.43/567,741.78 = 125,789.04/x
  3. Step 3: Cross multiply
    378,576.43x = 567,741.78 × 125,789.04
  4. Step 4: Simplify right side
    378,576.43x = 71,415,693,029.49
  5. Step 5: Solve for x
    x = 71,415,693,029.49/378,576.43
  6. Step 6: Final answer
    x = 188,642.73

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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.