Home / 461,132.24-691,796.77-161,631.09

Finding the Fourth Proportional to 461,132.24, 691,796.77 and 161,631.09

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Solution

The fourth proportional to 461,132.24, 691,796.77 and 161,631.09 is: 242,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,132.24 : 691,796.77 = 161,631.09 : x
  2. Step 2: Convert to fraction form
    461,132.24/691,796.77 = 161,631.09/x
  3. Step 3: Cross multiply
    461,132.24x = 691,796.77 × 161,631.09
  4. Step 4: Simplify right side
    461,132.24x = 111,815,865,589.50
  5. Step 5: Solve for x
    x = 111,815,865,589.50/461,132.24
  6. Step 6: Final answer
    x = 242,481.13

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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.