Home / 285,369.24-428,103.17-95,847.92

Finding the Fourth Proportional to 285,369.24, 428,103.17 and 95,847.92

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Solution

The fourth proportional to 285,369.24, 428,103.17 and 95,847.92 is: 143,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,369.24 : 428,103.17 = 95,847.92 : x
  2. Step 2: Convert to fraction form
    285,369.24/428,103.17 = 95,847.92/x
  3. Step 3: Cross multiply
    285,369.24x = 428,103.17 × 95,847.92
  4. Step 4: Simplify right side
    285,369.24x = 41,032,795,770.15
  5. Step 5: Solve for x
    x = 41,032,795,770.15/285,369.24
  6. Step 6: Final answer
    x = 143,788.43

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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.