Home / 161,243.73-222,517.19-89,630.42

Finding the Fourth Proportional to 161,243.73, 222,517.19 and 89,630.42

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Solution

The fourth proportional to 161,243.73, 222,517.19 and 89,630.42 is: 123,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,243.73 : 222,517.19 = 89,630.42 : x
  2. Step 2: Convert to fraction form
    161,243.73/222,517.19 = 89,630.42/x
  3. Step 3: Cross multiply
    161,243.73x = 222,517.19 × 89,630.42
  4. Step 4: Simplify right side
    161,243.73x = 19,944,308,308.41
  5. Step 5: Solve for x
    x = 19,944,308,308.41/161,243.73
  6. Step 6: Final answer
    x = 123,690.44

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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.