Home / 187,691.28-281,573.14-61,297.54

Finding the Fourth Proportional to 187,691.28, 281,573.14 and 61,297.54

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Solution

The fourth proportional to 187,691.28, 281,573.14 and 61,297.54 is: 91,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,691.28 : 281,573.14 = 61,297.54 : x
  2. Step 2: Convert to fraction form
    187,691.28/281,573.14 = 61,297.54/x
  3. Step 3: Cross multiply
    187,691.28x = 281,573.14 × 61,297.54
  4. Step 4: Simplify right side
    187,691.28x = 17,259,741,672.84
  5. Step 5: Solve for x
    x = 17,259,741,672.84/187,691.28
  6. Step 6: Final answer
    x = 91,958.14

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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.