Home / 199,948.28-275,929.17-109,305.33

Finding the Fourth Proportional to 199,948.28, 275,929.17 and 109,305.33

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Solution

The fourth proportional to 199,948.28, 275,929.17 and 109,305.33 is: 150,841.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,948.28 : 275,929.17 = 109,305.33 : x
  2. Step 2: Convert to fraction form
    199,948.28/275,929.17 = 109,305.33/x
  3. Step 3: Cross multiply
    199,948.28x = 275,929.17 × 109,305.33
  4. Step 4: Simplify right side
    199,948.28x = 30,160,528,983.48
  5. Step 5: Solve for x
    x = 30,160,528,983.48/199,948.28
  6. Step 6: Final answer
    x = 150,841.66

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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.