Home / 187,786.75-281,680.49-45,632.16

Finding the Fourth Proportional to 187,786.75, 281,680.49 and 45,632.16

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Solution

The fourth proportional to 187,786.75, 281,680.49 and 45,632.16 is: 68,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,786.75 : 281,680.49 = 45,632.16 : x
  2. Step 2: Convert to fraction form
    187,786.75/281,680.49 = 45,632.16/x
  3. Step 3: Cross multiply
    187,786.75x = 281,680.49 × 45,632.16
  4. Step 4: Simplify right side
    187,786.75x = 12,853,689,188.56
  5. Step 5: Solve for x
    x = 12,853,689,188.56/187,786.75
  6. Step 6: Final answer
    x = 68,448.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.