Home / 161,073.96-222,273.20-89,449.44

Finding the Fourth Proportional to 161,073.96, 222,273.20 and 89,449.44

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Solution

The fourth proportional to 161,073.96, 222,273.20 and 89,449.44 is: 123,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,073.96 : 222,273.20 = 89,449.44 : x
  2. Step 2: Convert to fraction form
    161,073.96/222,273.20 = 89,449.44/x
  3. Step 3: Cross multiply
    161,073.96x = 222,273.20 × 89,449.44
  4. Step 4: Simplify right side
    161,073.96x = 19,882,213,267.01
  5. Step 5: Solve for x
    x = 19,882,213,267.01/161,073.96
  6. Step 6: Final answer
    x = 123,435.30

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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.