Home / 183,449.28-275,173.92-121,105.20

Finding the Fourth Proportional to 183,449.28, 275,173.92 and 121,105.20

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Solution

The fourth proportional to 183,449.28, 275,173.92 and 121,105.20 is: 181,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,449.28 : 275,173.92 = 121,105.20 : x
  2. Step 2: Convert to fraction form
    183,449.28/275,173.92 = 121,105.20/x
  3. Step 3: Cross multiply
    183,449.28x = 275,173.92 × 121,105.20
  4. Step 4: Simplify right side
    183,449.28x = 33,324,992,616.38
  5. Step 5: Solve for x
    x = 33,324,992,616.38/183,449.28
  6. Step 6: Final answer
    x = 181,657.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.