Home / 161,061.55-222,006.41-109,362.49

Finding the Fourth Proportional to 161,061.55, 222,006.41 and 109,362.49

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Solution

The fourth proportional to 161,061.55, 222,006.41 and 109,362.49 is: 150,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,061.55 : 222,006.41 = 109,362.49 : x
  2. Step 2: Convert to fraction form
    161,061.55/222,006.41 = 109,362.49/x
  3. Step 3: Cross multiply
    161,061.55x = 222,006.41 × 109,362.49
  4. Step 4: Simplify right side
    161,061.55x = 24,279,173,793.56
  5. Step 5: Solve for x
    x = 24,279,173,793.56/161,061.55
  6. Step 6: Final answer
    x = 150,744.69

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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.