Home / 161,283.97-222,559.27-89,659.63

Finding the Fourth Proportional to 161,283.97, 222,559.27 and 89,659.63

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Solution

The fourth proportional to 161,283.97, 222,559.27 and 89,659.63 is: 123,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,283.97 : 222,559.27 = 89,659.63 : x
  2. Step 2: Convert to fraction form
    161,283.97/222,559.27 = 89,659.63/x
  3. Step 3: Cross multiply
    161,283.97x = 222,559.27 × 89,659.63
  4. Step 4: Simplify right side
    161,283.97x = 19,954,581,801.27
  5. Step 5: Solve for x
    x = 19,954,581,801.27/161,283.97
  6. Step 6: Final answer
    x = 123,723.28

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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.