Home / 140,626.17-194,062.97-76,963.82

Finding the Fourth Proportional to 140,626.17, 194,062.97 and 76,963.82

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Solution

The fourth proportional to 140,626.17, 194,062.97 and 76,963.82 is: 106,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,626.17 : 194,062.97 = 76,963.82 : x
  2. Step 2: Convert to fraction form
    140,626.17/194,062.97 = 76,963.82/x
  3. Step 3: Cross multiply
    140,626.17x = 194,062.97 × 76,963.82
  4. Step 4: Simplify right side
    140,626.17x = 14,935,826,713.84
  5. Step 5: Solve for x
    x = 14,935,826,713.84/140,626.17
  6. Step 6: Final answer
    x = 106,209.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.