Home / 161,027.44-222,218.40-89,407.60

Finding the Fourth Proportional to 161,027.44, 222,218.40 and 89,407.60

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Solution

The fourth proportional to 161,027.44, 222,218.40 and 89,407.60 is: 123,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,027.44 : 222,218.40 = 89,407.60 : x
  2. Step 2: Convert to fraction form
    161,027.44/222,218.40 = 89,407.60/x
  3. Step 3: Cross multiply
    161,027.44x = 222,218.40 × 89,407.60
  4. Step 4: Simplify right side
    161,027.44x = 19,868,013,819.84
  5. Step 5: Solve for x
    x = 19,868,013,819.84/161,027.44
  6. Step 6: Final answer
    x = 123,382.78

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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.