Home / 187,623.90-281,488.44-75,382.92

Finding the Fourth Proportional to 187,623.90, 281,488.44 and 75,382.92

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Solution

The fourth proportional to 187,623.90, 281,488.44 and 75,382.92 is: 113,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,623.90 : 281,488.44 = 75,382.92 : x
  2. Step 2: Convert to fraction form
    187,623.90/281,488.44 = 75,382.92/x
  3. Step 3: Cross multiply
    187,623.90x = 281,488.44 × 75,382.92
  4. Step 4: Simplify right side
    187,623.90x = 21,219,420,553.44
  5. Step 5: Solve for x
    x = 21,219,420,553.44/187,623.90
  6. Step 6: Final answer
    x = 113,095.51

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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.