Home / 187,963.88-281,918.38-54,808.36

Finding the Fourth Proportional to 187,963.88, 281,918.38 and 54,808.36

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Solution

The fourth proportional to 187,963.88, 281,918.38 and 54,808.36 is: 82,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,963.88 : 281,918.38 = 54,808.36 : x
  2. Step 2: Convert to fraction form
    187,963.88/281,918.38 = 54,808.36/x
  3. Step 3: Cross multiply
    187,963.88x = 281,918.38 × 54,808.36
  4. Step 4: Simplify right side
    187,963.88x = 15,451,484,061.66
  5. Step 5: Solve for x
    x = 15,451,484,061.66/187,963.88
  6. Step 6: Final answer
    x = 82,204.54

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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.