Home / 379,275.12-568,722.20-126,466.11

Finding the Fourth Proportional to 379,275.12, 568,722.20 and 126,466.11

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Solution

The fourth proportional to 379,275.12, 568,722.20 and 126,466.11 is: 189,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,275.12 : 568,722.20 = 126,466.11 : x
  2. Step 2: Convert to fraction form
    379,275.12/568,722.20 = 126,466.11/x
  3. Step 3: Cross multiply
    379,275.12x = 568,722.20 × 126,466.11
  4. Step 4: Simplify right side
    379,275.12x = 71,924,083,672.31
  5. Step 5: Solve for x
    x = 71,924,083,672.31/379,275.12
  6. Step 6: Final answer
    x = 189,635.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.