Home / 140,623.52-194,060.78-76,965.41

Finding the Fourth Proportional to 140,623.52, 194,060.78 and 76,965.41

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Solution

The fourth proportional to 140,623.52, 194,060.78 and 76,965.41 is: 106,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,623.52 : 194,060.78 = 76,965.41 : x
  2. Step 2: Convert to fraction form
    140,623.52/194,060.78 = 76,965.41/x
  3. Step 3: Cross multiply
    140,623.52x = 194,060.78 × 76,965.41
  4. Step 4: Simplify right side
    140,623.52x = 14,935,967,497.62
  5. Step 5: Solve for x
    x = 14,935,967,497.62/140,623.52
  6. Step 6: Final answer
    x = 106,212.44

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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.