Home / 187,912.16-281,838.23-54,761.27

Finding the Fourth Proportional to 187,912.16, 281,838.23 and 54,761.27

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Solution

The fourth proportional to 187,912.16, 281,838.23 and 54,761.27 is: 82,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,912.16 : 281,838.23 = 54,761.27 : x
  2. Step 2: Convert to fraction form
    187,912.16/281,838.23 = 54,761.27/x
  3. Step 3: Cross multiply
    187,912.16x = 281,838.23 × 54,761.27
  4. Step 4: Simplify right side
    187,912.16x = 15,433,819,671.07
  5. Step 5: Solve for x
    x = 15,433,819,671.07/187,912.16
  6. Step 6: Final answer
    x = 82,133.16

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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.