Home / 199,844.22-275,776.44-109,198.74

Finding the Fourth Proportional to 199,844.22, 275,776.44 and 109,198.74

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Solution

The fourth proportional to 199,844.22, 275,776.44 and 109,198.74 is: 150,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,844.22 : 275,776.44 = 109,198.74 : x
  2. Step 2: Convert to fraction form
    199,844.22/275,776.44 = 109,198.74/x
  3. Step 3: Cross multiply
    199,844.22x = 275,776.44 × 109,198.74
  4. Step 4: Simplify right side
    199,844.22x = 30,114,439,769.69
  5. Step 5: Solve for x
    x = 30,114,439,769.69/199,844.22
  6. Step 6: Final answer
    x = 150,689.57

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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.