Home / 161,249.64-222,517.23-89,633.59

Finding the Fourth Proportional to 161,249.64, 222,517.23 and 89,633.59

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Solution

The fourth proportional to 161,249.64, 222,517.23 and 89,633.59 is: 123,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,249.64 : 222,517.23 = 89,633.59 : x
  2. Step 2: Convert to fraction form
    161,249.64/222,517.23 = 89,633.59/x
  3. Step 3: Cross multiply
    161,249.64x = 222,517.23 × 89,633.59
  4. Step 4: Simplify right side
    161,249.64x = 19,945,017,269.34
  5. Step 5: Solve for x
    x = 19,945,017,269.34/161,249.64
  6. Step 6: Final answer
    x = 123,690.31

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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.