Home / 140,660.74-194,114.10-76,997.44

Finding the Fourth Proportional to 140,660.74, 194,114.10 and 76,997.44

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Solution

The fourth proportional to 140,660.74, 194,114.10 and 76,997.44 is: 106,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,660.74 : 194,114.10 = 76,997.44 : x
  2. Step 2: Convert to fraction form
    140,660.74/194,114.10 = 76,997.44/x
  3. Step 3: Cross multiply
    140,660.74x = 194,114.10 × 76,997.44
  4. Step 4: Simplify right side
    140,660.74x = 14,946,288,767.90
  5. Step 5: Solve for x
    x = 14,946,288,767.90/140,660.74
  6. Step 6: Final answer
    x = 106,257.71

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1.5x scale

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.