Home / 196,757.10-294,691.59-137,855.70

Finding the Fourth Proportional to 196,757.10, 294,691.59 and 137,855.70

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Solution

The fourth proportional to 196,757.10, 294,691.59 and 137,855.70 is: 206,472.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,757.10 : 294,691.59 = 137,855.70 : x
  2. Step 2: Convert to fraction form
    196,757.10/294,691.59 = 137,855.70/x
  3. Step 3: Cross multiply
    196,757.10x = 294,691.59 × 137,855.70
  4. Step 4: Simplify right side
    196,757.10x = 40,624,915,423.56
  5. Step 5: Solve for x
    x = 40,624,915,423.56/196,757.10
  6. Step 6: Final answer
    x = 206,472.42

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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.