Home / 196,388.52-271,026.78-115,863.24

Finding the Fourth Proportional to 196,388.52, 271,026.78 and 115,863.24

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Solution

The fourth proportional to 196,388.52, 271,026.78 and 115,863.24 is: 159,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,388.52 : 271,026.78 = 115,863.24 : x
  2. Step 2: Convert to fraction form
    196,388.52/271,026.78 = 115,863.24/x
  3. Step 3: Cross multiply
    196,388.52x = 271,026.78 × 115,863.24
  4. Step 4: Simplify right side
    196,388.52x = 31,402,040,857.57
  5. Step 5: Solve for x
    x = 31,402,040,857.57/196,388.52
  6. Step 6: Final answer
    x = 159,897.54

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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.