Home / 199,616.43-275,466.56-108,974.19

Finding the Fourth Proportional to 199,616.43, 275,466.56 and 108,974.19

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Solution

The fourth proportional to 199,616.43, 275,466.56 and 108,974.19 is: 150,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,616.43 : 275,466.56 = 108,974.19 : x
  2. Step 2: Convert to fraction form
    199,616.43/275,466.56 = 108,974.19/x
  3. Step 3: Cross multiply
    199,616.43x = 275,466.56 × 108,974.19
  4. Step 4: Simplify right side
    199,616.43x = 30,018,744,703.22
  5. Step 5: Solve for x
    x = 30,018,744,703.22/199,616.43
  6. Step 6: Final answer
    x = 150,382.13

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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.