Home / 187,954.11-281,926.47-54,835.54

Finding the Fourth Proportional to 187,954.11, 281,926.47 and 54,835.54

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Solution

The fourth proportional to 187,954.11, 281,926.47 and 54,835.54 is: 82,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,954.11 : 281,926.47 = 54,835.54 : x
  2. Step 2: Convert to fraction form
    187,954.11/281,926.47 = 54,835.54/x
  3. Step 3: Cross multiply
    187,954.11x = 281,926.47 × 54,835.54
  4. Step 4: Simplify right side
    187,954.11x = 15,459,589,723.56
  5. Step 5: Solve for x
    x = 15,459,589,723.56/187,954.11
  6. Step 6: Final answer
    x = 82,251.94

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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.