Home / 198,206.64-273,458.16-113,263.56

Finding the Fourth Proportional to 198,206.64, 273,458.16 and 113,263.56

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Solution

The fourth proportional to 198,206.64, 273,458.16 and 113,263.56 is: 156,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,206.64 : 273,458.16 = 113,263.56 : x
  2. Step 2: Convert to fraction form
    198,206.64/273,458.16 = 113,263.56/x
  3. Step 3: Cross multiply
    198,206.64x = 273,458.16 × 113,263.56
  4. Step 4: Simplify right side
    198,206.64x = 30,972,844,712.65
  5. Step 5: Solve for x
    x = 30,972,844,712.65/198,206.64
  6. Step 6: Final answer
    x = 156,265.42

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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.