Home / 198,278.43-273,509.70-126,577.64

Finding the Fourth Proportional to 198,278.43, 273,509.70 and 126,577.64

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Solution

The fourth proportional to 198,278.43, 273,509.70 and 126,577.64 is: 174,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,278.43 : 273,509.70 = 126,577.64 : x
  2. Step 2: Convert to fraction form
    198,278.43/273,509.70 = 126,577.64/x
  3. Step 3: Cross multiply
    198,278.43x = 273,509.70 × 126,577.64
  4. Step 4: Simplify right side
    198,278.43x = 34,620,210,975.56
  5. Step 5: Solve for x
    x = 34,620,210,975.56/198,278.43
  6. Step 6: Final answer
    x = 174,604.02

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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.