Home / 187,722.31-281,584.41-47,481.07

Finding the Fourth Proportional to 187,722.31, 281,584.41 and 47,481.07

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Solution

The fourth proportional to 187,722.31, 281,584.41 and 47,481.07 is: 71,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,722.31 : 281,584.41 = 47,481.07 : x
  2. Step 2: Convert to fraction form
    187,722.31/281,584.41 = 47,481.07/x
  3. Step 3: Cross multiply
    187,722.31x = 281,584.41 × 47,481.07
  4. Step 4: Simplify right side
    187,722.31x = 13,369,927,436.79
  5. Step 5: Solve for x
    x = 13,369,927,436.79/187,722.31
  6. Step 6: Final answer
    x = 71,221.84

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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.