Home / 161,077.68-222,287.19-89,464.36

Finding the Fourth Proportional to 161,077.68, 222,287.19 and 89,464.36

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Solution

The fourth proportional to 161,077.68, 222,287.19 and 89,464.36 is: 123,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,077.68 : 222,287.19 = 89,464.36 : x
  2. Step 2: Convert to fraction form
    161,077.68/222,287.19 = 89,464.36/x
  3. Step 3: Cross multiply
    161,077.68x = 222,287.19 × 89,464.36
  4. Step 4: Simplify right side
    161,077.68x = 19,886,781,593.86
  5. Step 5: Solve for x
    x = 19,886,781,593.86/161,077.68
  6. Step 6: Final answer
    x = 123,460.82

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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.