Home / 187,750.82-281,626.74-54,634.28

Finding the Fourth Proportional to 187,750.82, 281,626.74 and 54,634.28

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Solution

The fourth proportional to 187,750.82, 281,626.74 and 54,634.28 is: 81,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,750.82 : 281,626.74 = 54,634.28 : x
  2. Step 2: Convert to fraction form
    187,750.82/281,626.74 = 54,634.28/x
  3. Step 3: Cross multiply
    187,750.82x = 281,626.74 × 54,634.28
  4. Step 4: Simplify right side
    187,750.82x = 15,386,474,168.65
  5. Step 5: Solve for x
    x = 15,386,474,168.65/187,750.82
  6. Step 6: Final answer
    x = 81,951.57

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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.