Home / 196,680.40-295,020.60-133,694.80

Finding the Fourth Proportional to 196,680.40, 295,020.60 and 133,694.80

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Solution

The fourth proportional to 196,680.40, 295,020.60 and 133,694.80 is: 200,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,680.40 : 295,020.60 = 133,694.80 : x
  2. Step 2: Convert to fraction form
    196,680.40/295,020.60 = 133,694.80/x
  3. Step 3: Cross multiply
    196,680.40x = 295,020.60 × 133,694.80
  4. Step 4: Simplify right side
    196,680.40x = 39,442,720,112.88
  5. Step 5: Solve for x
    x = 39,442,720,112.88/196,680.40
  6. Step 6: Final answer
    x = 200,542.20

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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.