Home / 231,729.45-347,725.66-125,111.98

Finding the Fourth Proportional to 231,729.45, 347,725.66 and 125,111.98

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Solution

The fourth proportional to 231,729.45, 347,725.66 and 125,111.98 is: 187,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,729.45 : 347,725.66 = 125,111.98 : x
  2. Step 2: Convert to fraction form
    231,729.45/347,725.66 = 125,111.98/x
  3. Step 3: Cross multiply
    231,729.45x = 347,725.66 × 125,111.98
  4. Step 4: Simplify right side
    231,729.45x = 43,504,645,819.41
  5. Step 5: Solve for x
    x = 43,504,645,819.41/231,729.45
  6. Step 6: Final answer
    x = 187,738.96

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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.