Home / 252,939.26-379,458.71-75,442.34

Finding the Fourth Proportional to 252,939.26, 379,458.71 and 75,442.34

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Solution

The fourth proportional to 252,939.26, 379,458.71 and 75,442.34 is: 113,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,939.26 : 379,458.71 = 75,442.34 : x
  2. Step 2: Convert to fraction form
    252,939.26/379,458.71 = 75,442.34/x
  3. Step 3: Cross multiply
    252,939.26x = 379,458.71 × 75,442.34
  4. Step 4: Simplify right side
    252,939.26x = 28,627,253,870.13
  5. Step 5: Solve for x
    x = 28,627,253,870.13/252,939.26
  6. Step 6: Final answer
    x = 113,178.37

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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.