Home / 252,787.37-379,177.21-75,294.39

Finding the Fourth Proportional to 252,787.37, 379,177.21 and 75,294.39

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Solution

The fourth proportional to 252,787.37, 379,177.21 and 75,294.39 is: 112,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,787.37 : 379,177.21 = 75,294.39 : x
  2. Step 2: Convert to fraction form
    252,787.37/379,177.21 = 75,294.39/x
  3. Step 3: Cross multiply
    252,787.37x = 379,177.21 × 75,294.39
  4. Step 4: Simplify right side
    252,787.37x = 28,549,915,151.46
  5. Step 5: Solve for x
    x = 28,549,915,151.46/252,787.37
  6. Step 6: Final answer
    x = 112,940.43

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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.