Home / 199,784.44-275,690.34-109,122.04

Finding the Fourth Proportional to 199,784.44, 275,690.34 and 109,122.04

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Solution

The fourth proportional to 199,784.44, 275,690.34 and 109,122.04 is: 150,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,784.44 : 275,690.34 = 109,122.04 : x
  2. Step 2: Convert to fraction form
    199,784.44/275,690.34 = 109,122.04/x
  3. Step 3: Cross multiply
    199,784.44x = 275,690.34 × 109,122.04
  4. Step 4: Simplify right side
    199,784.44x = 30,083,892,309.09
  5. Step 5: Solve for x
    x = 30,083,892,309.09/199,784.44
  6. Step 6: Final answer
    x = 150,581.76

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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.