Home / 140,997.61-194,573.23-76,463.29

Finding the Fourth Proportional to 140,997.61, 194,573.23 and 76,463.29

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Solution

The fourth proportional to 140,997.61, 194,573.23 and 76,463.29 is: 105,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,997.61 : 194,573.23 = 76,463.29 : x
  2. Step 2: Convert to fraction form
    140,997.61/194,573.23 = 76,463.29/x
  3. Step 3: Cross multiply
    140,997.61x = 194,573.23 × 76,463.29
  4. Step 4: Simplify right side
    140,997.61x = 14,877,709,311.73
  5. Step 5: Solve for x
    x = 14,877,709,311.73/140,997.61
  6. Step 6: Final answer
    x = 105,517.46

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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.