Home / 196,514.27-271,395.56-135,419.31

Finding the Fourth Proportional to 196,514.27, 271,395.56 and 135,419.31

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Solution

The fourth proportional to 196,514.27, 271,395.56 and 135,419.31 is: 187,020.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,514.27 : 271,395.56 = 135,419.31 : x
  2. Step 2: Convert to fraction form
    196,514.27/271,395.56 = 135,419.31/x
  3. Step 3: Cross multiply
    196,514.27x = 271,395.56 × 135,419.31
  4. Step 4: Simplify right side
    196,514.27x = 36,752,198,795.17
  5. Step 5: Solve for x
    x = 36,752,198,795.17/196,514.27
  6. Step 6: Final answer
    x = 187,020.51

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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.