Home / 187,979.18-281,964.07-54,860.59

Finding the Fourth Proportional to 187,979.18, 281,964.07 and 54,860.59

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Solution

The fourth proportional to 187,979.18, 281,964.07 and 54,860.59 is: 82,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,979.18 : 281,964.07 = 54,860.59 : x
  2. Step 2: Convert to fraction form
    187,979.18/281,964.07 = 54,860.59/x
  3. Step 3: Cross multiply
    187,979.18x = 281,964.07 × 54,860.59
  4. Step 4: Simplify right side
    187,979.18x = 15,468,715,239.00
  5. Step 5: Solve for x
    x = 15,468,715,239.00/187,979.18
  6. Step 6: Final answer
    x = 82,289.51

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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.