Home / 187,833.78-281,796.75-54,715.26

Finding the Fourth Proportional to 187,833.78, 281,796.75 and 54,715.26

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Solution

The fourth proportional to 187,833.78, 281,796.75 and 54,715.26 is: 82,086.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,833.78 : 281,796.75 = 54,715.26 : x
  2. Step 2: Convert to fraction form
    187,833.78/281,796.75 = 54,715.26/x
  3. Step 3: Cross multiply
    187,833.78x = 281,796.75 × 54,715.26
  4. Step 4: Simplify right side
    187,833.78x = 15,418,582,443.41
  5. Step 5: Solve for x
    x = 15,418,582,443.41/187,833.78
  6. Step 6: Final answer
    x = 82,086.31

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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.