Home / 161,027.46-222,213.66-89,405.64

Finding the Fourth Proportional to 161,027.46, 222,213.66 and 89,405.64

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Solution

The fourth proportional to 161,027.46, 222,213.66 and 89,405.64 is: 123,377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,027.46 : 222,213.66 = 89,405.64 : x
  2. Step 2: Convert to fraction form
    161,027.46/222,213.66 = 89,405.64/x
  3. Step 3: Cross multiply
    161,027.46x = 222,213.66 × 89,405.64
  4. Step 4: Simplify right side
    161,027.46x = 19,867,154,489.04
  5. Step 5: Solve for x
    x = 19,867,154,489.04/161,027.46
  6. Step 6: Final answer
    x = 123,377.43

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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.