Home / 159,591.06-220,255.61-91,629.33

Finding the Fourth Proportional to 159,591.06, 220,255.61 and 91,629.33

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Solution

The fourth proportional to 159,591.06, 220,255.61 and 91,629.33 is: 126,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,591.06 : 220,255.61 = 91,629.33 : x
  2. Step 2: Convert to fraction form
    159,591.06/220,255.61 = 91,629.33/x
  3. Step 3: Cross multiply
    159,591.06x = 220,255.61 × 91,629.33
  4. Step 4: Simplify right side
    159,591.06x = 20,181,872,688.94
  5. Step 5: Solve for x
    x = 20,181,872,688.94/159,591.06
  6. Step 6: Final answer
    x = 126,459.92

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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.