Home / 194,914.50-268,982.04-105,490.50

Finding the Fourth Proportional to 194,914.50, 268,982.04 and 105,490.50

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Solution

The fourth proportional to 194,914.50, 268,982.04 and 105,490.50 is: 145,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,914.50 : 268,982.04 = 105,490.50 : x
  2. Step 2: Convert to fraction form
    194,914.50/268,982.04 = 105,490.50/x
  3. Step 3: Cross multiply
    194,914.50x = 268,982.04 × 105,490.50
  4. Step 4: Simplify right side
    194,914.50x = 28,375,049,890.62
  5. Step 5: Solve for x
    x = 28,375,049,890.62/194,914.50
  6. Step 6: Final answer
    x = 145,576.91

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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.