Home / 161,294.20-222,573.38-89,669.86

Finding the Fourth Proportional to 161,294.20, 222,573.38 and 89,669.86

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Solution

The fourth proportional to 161,294.20, 222,573.38 and 89,669.86 is: 123,737.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,294.20 : 222,573.38 = 89,669.86 : x
  2. Step 2: Convert to fraction form
    161,294.20/222,573.38 = 89,669.86/x
  3. Step 3: Cross multiply
    161,294.20x = 222,573.38 × 89,669.86
  4. Step 4: Simplify right side
    161,294.20x = 19,958,123,824.33
  5. Step 5: Solve for x
    x = 19,958,123,824.33/161,294.20
  6. Step 6: Final answer
    x = 123,737.39

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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.