Home / 187,821.41-281,728.01-45,667.44

Finding the Fourth Proportional to 187,821.41, 281,728.01 and 45,667.44

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Solution

The fourth proportional to 187,821.41, 281,728.01 and 45,667.44 is: 68,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,821.41 : 281,728.01 = 45,667.44 : x
  2. Step 2: Convert to fraction form
    187,821.41/281,728.01 = 45,667.44/x
  3. Step 3: Cross multiply
    187,821.41x = 281,728.01 × 45,667.44
  4. Step 4: Simplify right side
    187,821.41x = 12,865,797,107.16
  5. Step 5: Solve for x
    x = 12,865,797,107.16/187,821.41
  6. Step 6: Final answer
    x = 68,500.16

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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.