Home / 140,601.43-194,029.96-76,939.23

Finding the Fourth Proportional to 140,601.43, 194,029.96 and 76,939.23

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Solution

The fourth proportional to 140,601.43, 194,029.96 and 76,939.23 is: 106,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,601.43 : 194,029.96 = 76,939.23 : x
  2. Step 2: Convert to fraction form
    140,601.43/194,029.96 = 76,939.23/x
  3. Step 3: Cross multiply
    140,601.43x = 194,029.96 × 76,939.23
  4. Step 4: Simplify right side
    140,601.43x = 14,928,515,719.33
  5. Step 5: Solve for x
    x = 14,928,515,719.33/140,601.43
  6. Step 6: Final answer
    x = 106,176.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.