Home / 331,241.72-496,490.10-168,679.61

Finding the Fourth Proportional to 331,241.72, 496,490.10 and 168,679.61

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Solution

The fourth proportional to 331,241.72, 496,490.10 and 168,679.61 is: 252,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,241.72 : 496,490.10 = 168,679.61 : x
  2. Step 2: Convert to fraction form
    331,241.72/496,490.10 = 168,679.61/x
  3. Step 3: Cross multiply
    331,241.72x = 496,490.10 × 168,679.61
  4. Step 4: Simplify right side
    331,241.72x = 83,747,756,436.86
  5. Step 5: Solve for x
    x = 83,747,756,436.86/331,241.72
  6. Step 6: Final answer
    x = 252,829.74

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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.