Home / 254,126.46-381,203.37-67,132.86

Finding the Fourth Proportional to 254,126.46, 381,203.37 and 67,132.86

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Solution

The fourth proportional to 254,126.46, 381,203.37 and 67,132.86 is: 100,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,126.46 : 381,203.37 = 67,132.86 : x
  2. Step 2: Convert to fraction form
    254,126.46/381,203.37 = 67,132.86/x
  3. Step 3: Cross multiply
    254,126.46x = 381,203.37 × 67,132.86
  4. Step 4: Simplify right side
    254,126.46x = 25,591,272,469.74
  5. Step 5: Solve for x
    x = 25,591,272,469.74/254,126.46
  6. Step 6: Final answer
    x = 100,702.90

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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.