Home / 378,134.67-567,292.50-108,266.55

Finding the Fourth Proportional to 378,134.67, 567,292.50 and 108,266.55

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Solution

The fourth proportional to 378,134.67, 567,292.50 and 108,266.55 is: 162,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,134.67 : 567,292.50 = 108,266.55 : x
  2. Step 2: Convert to fraction form
    378,134.67/567,292.50 = 108,266.55/x
  3. Step 3: Cross multiply
    378,134.67x = 567,292.50 × 108,266.55
  4. Step 4: Simplify right side
    378,134.67x = 61,418,801,815.88
  5. Step 5: Solve for x
    x = 61,418,801,815.88/378,134.67
  6. Step 6: Final answer
    x = 162,425.74

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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.