Home / 140,847.32-194,370.84-77,183.75

Finding the Fourth Proportional to 140,847.32, 194,370.84 and 77,183.75

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Solution

The fourth proportional to 140,847.32, 194,370.84 and 77,183.75 is: 106,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,847.32 : 194,370.84 = 77,183.75 : x
  2. Step 2: Convert to fraction form
    140,847.32/194,370.84 = 77,183.75/x
  3. Step 3: Cross multiply
    140,847.32x = 194,370.84 × 77,183.75
  4. Step 4: Simplify right side
    140,847.32x = 15,002,269,935.93
  5. Step 5: Solve for x
    x = 15,002,269,935.93/140,847.32
  6. Step 6: Final answer
    x = 106,514.42

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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.