Home / 161,067.97-222,276.81-89,454.70

Finding the Fourth Proportional to 161,067.97, 222,276.81 and 89,454.70

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Solution

The fourth proportional to 161,067.97, 222,276.81 and 89,454.70 is: 123,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,067.97 : 222,276.81 = 89,454.70 : x
  2. Step 2: Convert to fraction form
    161,067.97/222,276.81 = 89,454.70/x
  3. Step 3: Cross multiply
    161,067.97x = 222,276.81 × 89,454.70
  4. Step 4: Simplify right side
    161,067.97x = 19,883,705,355.51
  5. Step 5: Solve for x
    x = 19,883,705,355.51/161,067.97
  6. Step 6: Final answer
    x = 123,449.16

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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.