Home / 140,655.44-194,104.68-76,997.24

Finding the Fourth Proportional to 140,655.44, 194,104.68 and 76,997.24

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Solution

The fourth proportional to 140,655.44, 194,104.68 and 76,997.24 is: 106,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,655.44 : 194,104.68 = 76,997.24 : x
  2. Step 2: Convert to fraction form
    140,655.44/194,104.68 = 76,997.24/x
  3. Step 3: Cross multiply
    140,655.44x = 194,104.68 × 76,997.24
  4. Step 4: Simplify right side
    140,655.44x = 14,945,524,631.08
  5. Step 5: Solve for x
    x = 14,945,524,631.08/140,655.44
  6. Step 6: Final answer
    x = 106,256.29

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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.