Home / 383,156.27-528,755.82-222,104.73

Finding the Fourth Proportional to 383,156.27, 528,755.82 and 222,104.73

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Solution

The fourth proportional to 383,156.27, 528,755.82 and 222,104.73 is: 306,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,156.27 : 528,755.82 = 222,104.73 : x
  2. Step 2: Convert to fraction form
    383,156.27/528,755.82 = 222,104.73/x
  3. Step 3: Cross multiply
    383,156.27x = 528,755.82 × 222,104.73
  4. Step 4: Simplify right side
    383,156.27x = 117,439,171,660.98
  5. Step 5: Solve for x
    x = 117,439,171,660.98/383,156.27
  6. Step 6: Final answer
    x = 306,504.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.