Home / 252,940.27-379,460.21-75,443.35

Finding the Fourth Proportional to 252,940.27, 379,460.21 and 75,443.35

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Solution

The fourth proportional to 252,940.27, 379,460.21 and 75,443.35 is: 113,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,940.27 : 379,460.21 = 75,443.35 : x
  2. Step 2: Convert to fraction form
    252,940.27/379,460.21 = 75,443.35/x
  3. Step 3: Cross multiply
    252,940.27x = 379,460.21 × 75,443.35
  4. Step 4: Simplify right side
    252,940.27x = 28,627,747,536.80
  5. Step 5: Solve for x
    x = 28,627,747,536.80/252,940.27
  6. Step 6: Final answer
    x = 113,179.87

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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.