Home / 187,882.32-281,829.06-54,759.72

Finding the Fourth Proportional to 187,882.32, 281,829.06 and 54,759.72

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Solution

The fourth proportional to 187,882.32, 281,829.06 and 54,759.72 is: 82,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,882.32 : 281,829.06 = 54,759.72 : x
  2. Step 2: Convert to fraction form
    187,882.32/281,829.06 = 54,759.72/x
  3. Step 3: Cross multiply
    187,882.32x = 281,829.06 × 54,759.72
  4. Step 4: Simplify right side
    187,882.32x = 15,432,880,413.46
  5. Step 5: Solve for x
    x = 15,432,880,413.46/187,882.32
  6. Step 6: Final answer
    x = 82,141.21

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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.