Home / 198,080.44-273,354.74-121,561.26

Finding the Fourth Proportional to 198,080.44, 273,354.74 and 121,561.26

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Solution

The fourth proportional to 198,080.44, 273,354.74 and 121,561.26 is: 167,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,080.44 : 273,354.74 = 121,561.26 : x
  2. Step 2: Convert to fraction form
    198,080.44/273,354.74 = 121,561.26/x
  3. Step 3: Cross multiply
    198,080.44x = 273,354.74 × 121,561.26
  4. Step 4: Simplify right side
    198,080.44x = 33,229,346,621.37
  5. Step 5: Solve for x
    x = 33,229,346,621.37/198,080.44
  6. Step 6: Final answer
    x = 167,756.83

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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.