Home / 199,845.11-275,778.02-109,204.20

Finding the Fourth Proportional to 199,845.11, 275,778.02 and 109,204.20

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Solution

The fourth proportional to 199,845.11, 275,778.02 and 109,204.20 is: 150,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,845.11 : 275,778.02 = 109,204.20 : x
  2. Step 2: Convert to fraction form
    199,845.11/275,778.02 = 109,204.20/x
  3. Step 3: Cross multiply
    199,845.11x = 275,778.02 × 109,204.20
  4. Step 4: Simplify right side
    199,845.11x = 30,116,118,324.69
  5. Step 5: Solve for x
    x = 30,116,118,324.69/199,845.11
  6. Step 6: Final answer
    x = 150,697.30

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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.