Home / 195,782.13-270,198.36-109,755.72

Finding the Fourth Proportional to 195,782.13, 270,198.36 and 109,755.72

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Solution

The fourth proportional to 195,782.13, 270,198.36 and 109,755.72 is: 151,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,782.13 : 270,198.36 = 109,755.72 : x
  2. Step 2: Convert to fraction form
    195,782.13/270,198.36 = 109,755.72/x
  3. Step 3: Cross multiply
    195,782.13x = 270,198.36 × 109,755.72
  4. Step 4: Simplify right side
    195,782.13x = 29,655,815,544.62
  5. Step 5: Solve for x
    x = 29,655,815,544.62/195,782.13
  6. Step 6: Final answer
    x = 151,473.56

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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.