Home / 261,193.41-392,183.78-149,000.31

Finding the Fourth Proportional to 261,193.41, 392,183.78 and 149,000.31

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Solution

The fourth proportional to 261,193.41, 392,183.78 and 149,000.31 is: 223,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,193.41 : 392,183.78 = 149,000.31 : x
  2. Step 2: Convert to fraction form
    261,193.41/392,183.78 = 149,000.31/x
  3. Step 3: Cross multiply
    261,193.41x = 392,183.78 × 149,000.31
  4. Step 4: Simplify right side
    261,193.41x = 58,435,504,051.97
  5. Step 5: Solve for x
    x = 58,435,504,051.97/261,193.41
  6. Step 6: Final answer
    x = 223,725.03

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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.