Home / 190,676.38-263,134.42-105,793.44

Finding the Fourth Proportional to 190,676.38, 263,134.42 and 105,793.44

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Solution

The fourth proportional to 190,676.38, 263,134.42 and 105,793.44 is: 145,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,676.38 : 263,134.42 = 105,793.44 : x
  2. Step 2: Convert to fraction form
    190,676.38/263,134.42 = 105,793.44/x
  3. Step 3: Cross multiply
    190,676.38x = 263,134.42 × 105,793.44
  4. Step 4: Simplify right side
    190,676.38x = 27,837,895,474.20
  5. Step 5: Solve for x
    x = 27,837,895,474.20/190,676.38
  6. Step 6: Final answer
    x = 145,995.51

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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.