Home / 199,788.01-275,707.64-109,145.49

Finding the Fourth Proportional to 199,788.01, 275,707.64 and 109,145.49

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Solution

The fourth proportional to 199,788.01, 275,707.64 and 109,145.49 is: 150,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,788.01 : 275,707.64 = 109,145.49 : x
  2. Step 2: Convert to fraction form
    199,788.01/275,707.64 = 109,145.49/x
  3. Step 3: Cross multiply
    199,788.01x = 275,707.64 × 109,145.49
  4. Step 4: Simplify right side
    199,788.01x = 30,092,245,464.54
  5. Step 5: Solve for x
    x = 30,092,245,464.54/199,788.01
  6. Step 6: Final answer
    x = 150,620.88

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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.