Home / 140,846.82-194,370.14-77,183.25

Finding the Fourth Proportional to 140,846.82, 194,370.14 and 77,183.25

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Solution

The fourth proportional to 140,846.82, 194,370.14 and 77,183.25 is: 106,513.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,846.82 : 194,370.14 = 77,183.25 : x
  2. Step 2: Convert to fraction form
    140,846.82/194,370.14 = 77,183.25/x
  3. Step 3: Cross multiply
    140,846.82x = 194,370.14 × 77,183.25
  4. Step 4: Simplify right side
    140,846.82x = 15,002,119,301.11
  5. Step 5: Solve for x
    x = 15,002,119,301.11/140,846.82
  6. Step 6: Final answer
    x = 106,513.72

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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.