Home / 198,521.75-273,960.06-109,097.75

Finding the Fourth Proportional to 198,521.75, 273,960.06 and 109,097.75

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Solution

The fourth proportional to 198,521.75, 273,960.06 and 109,097.75 is: 150,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,521.75 : 273,960.06 = 109,097.75 : x
  2. Step 2: Convert to fraction form
    198,521.75/273,960.06 = 109,097.75/x
  3. Step 3: Cross multiply
    198,521.75x = 273,960.06 × 109,097.75
  4. Step 4: Simplify right side
    198,521.75x = 29,888,426,135.87
  5. Step 5: Solve for x
    x = 29,888,426,135.87/198,521.75
  6. Step 6: Final answer
    x = 150,554.92

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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.