Home / 194,387.10-268,221.67-108,327.20

Finding the Fourth Proportional to 194,387.10, 268,221.67 and 108,327.20

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Solution

The fourth proportional to 194,387.10, 268,221.67 and 108,327.20 is: 149,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,387.10 : 268,221.67 = 108,327.20 : x
  2. Step 2: Convert to fraction form
    194,387.10/268,221.67 = 108,327.20/x
  3. Step 3: Cross multiply
    194,387.10x = 268,221.67 × 108,327.20
  4. Step 4: Simplify right side
    194,387.10x = 29,055,701,948.79
  5. Step 5: Solve for x
    x = 29,055,701,948.79/194,387.10
  6. Step 6: Final answer
    x = 149,473.41

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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.