Home / 161,187.25-222,433.99-89,565.43

Finding the Fourth Proportional to 161,187.25, 222,433.99 and 89,565.43

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Solution

The fourth proportional to 161,187.25, 222,433.99 and 89,565.43 is: 123,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,187.25 : 222,433.99 = 89,565.43 : x
  2. Step 2: Convert to fraction form
    161,187.25/222,433.99 = 89,565.43/x
  3. Step 3: Cross multiply
    161,187.25x = 222,433.99 × 89,565.43
  4. Step 4: Simplify right side
    161,187.25x = 19,922,395,960.97
  5. Step 5: Solve for x
    x = 19,922,395,960.97/161,187.25
  6. Step 6: Final answer
    x = 123,597.84

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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.