Home / 161,066.97-222,275.43-89,453.70

Finding the Fourth Proportional to 161,066.97, 222,275.43 and 89,453.70

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Solution

The fourth proportional to 161,066.97, 222,275.43 and 89,453.70 is: 123,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,066.97 : 222,275.43 = 89,453.70 : x
  2. Step 2: Convert to fraction form
    161,066.97/222,275.43 = 89,453.70/x
  3. Step 3: Cross multiply
    161,066.97x = 222,275.43 × 89,453.70
  4. Step 4: Simplify right side
    161,066.97x = 19,883,359,632.59
  5. Step 5: Solve for x
    x = 19,883,359,632.59/161,066.97
  6. Step 6: Final answer
    x = 123,447.78

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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.