Home / 161,270.56-222,553.62-89,649.96

Finding the Fourth Proportional to 161,270.56, 222,553.62 and 89,649.96

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Solution

The fourth proportional to 161,270.56, 222,553.62 and 89,649.96 is: 123,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,270.56 : 222,553.62 = 89,649.96 : x
  2. Step 2: Convert to fraction form
    161,270.56/222,553.62 = 89,649.96/x
  3. Step 3: Cross multiply
    161,270.56x = 222,553.62 × 89,649.96
  4. Step 4: Simplify right side
    161,270.56x = 19,951,923,130.86
  5. Step 5: Solve for x
    x = 19,951,923,130.86/161,270.56
  6. Step 6: Final answer
    x = 123,717.08

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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.