Home / 199,739.62-275,642.76-109,098.19

Finding the Fourth Proportional to 199,739.62, 275,642.76 and 109,098.19

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Solution

The fourth proportional to 199,739.62, 275,642.76 and 109,098.19 is: 150,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,739.62 : 275,642.76 = 109,098.19 : x
  2. Step 2: Convert to fraction form
    199,739.62/275,642.76 = 109,098.19/x
  3. Step 3: Cross multiply
    199,739.62x = 275,642.76 × 109,098.19
  4. Step 4: Simplify right side
    199,739.62x = 30,072,126,202.60
  5. Step 5: Solve for x
    x = 30,072,126,202.60/199,739.62
  6. Step 6: Final answer
    x = 150,556.64

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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.