Home / 161,517.73-222,892.23-89,897.78

Finding the Fourth Proportional to 161,517.73, 222,892.23 and 89,897.78

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Solution

The fourth proportional to 161,517.73, 222,892.23 and 89,897.78 is: 124,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,517.73 : 222,892.23 = 89,897.78 : x
  2. Step 2: Convert to fraction form
    161,517.73/222,892.23 = 89,897.78/x
  3. Step 3: Cross multiply
    161,517.73x = 222,892.23 × 89,897.78
  4. Step 4: Simplify right side
    161,517.73x = 20,037,516,656.25
  5. Step 5: Solve for x
    x = 20,037,516,656.25/161,517.73
  6. Step 6: Final answer
    x = 124,057.69

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1.5x scale

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.