Home / 198,351.03-273,723.55-107,706.26

Finding the Fourth Proportional to 198,351.03, 273,723.55 and 107,706.26

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Solution

The fourth proportional to 198,351.03, 273,723.55 and 107,706.26 is: 148,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,351.03 : 273,723.55 = 107,706.26 : x
  2. Step 2: Convert to fraction form
    198,351.03/273,723.55 = 107,706.26/x
  3. Step 3: Cross multiply
    198,351.03x = 273,723.55 × 107,706.26
  4. Step 4: Simplify right side
    198,351.03x = 29,481,739,325.62
  5. Step 5: Solve for x
    x = 29,481,739,325.62/198,351.03
  6. Step 6: Final answer
    x = 148,634.16

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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.