Home / 161,936.60-223,471.26-89,342.55

Finding the Fourth Proportional to 161,936.60, 223,471.26 and 89,342.55

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Solution

The fourth proportional to 161,936.60, 223,471.26 and 89,342.55 is: 123,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,936.60 : 223,471.26 = 89,342.55 : x
  2. Step 2: Convert to fraction form
    161,936.60/223,471.26 = 89,342.55/x
  3. Step 3: Cross multiply
    161,936.60x = 223,471.26 × 89,342.55
  4. Step 4: Simplify right side
    161,936.60x = 19,965,493,309.41
  5. Step 5: Solve for x
    x = 19,965,493,309.41/161,936.60
  6. Step 6: Final answer
    x = 123,292.04

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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.