Home / 187,940.45-281,905.93-54,821.86

Finding the Fourth Proportional to 187,940.45, 281,905.93 and 54,821.86

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Solution

The fourth proportional to 187,940.45, 281,905.93 and 54,821.86 is: 82,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,940.45 : 281,905.93 = 54,821.86 : x
  2. Step 2: Convert to fraction form
    187,940.45/281,905.93 = 54,821.86/x
  3. Step 3: Cross multiply
    187,940.45x = 281,905.93 × 54,821.86
  4. Step 4: Simplify right side
    187,940.45x = 15,454,608,454.21
  5. Step 5: Solve for x
    x = 15,454,608,454.21/187,940.45
  6. Step 6: Final answer
    x = 82,231.41

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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.