Home / 196,503.24-271,162.62-115,956

Finding the Fourth Proportional to 196,503.24, 271,162.62 and 115,956

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Solution

The fourth proportional to 196,503.24, 271,162.62 and 115,956 is: 160,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,503.24 : 271,162.62 = 115,956 : x
  2. Step 2: Convert to fraction form
    196,503.24/271,162.62 = 115,956/x
  3. Step 3: Cross multiply
    196,503.24x = 271,162.62 × 115,956
  4. Step 4: Simplify right side
    196,503.24x = 31,442,932,764.72
  5. Step 5: Solve for x
    x = 31,442,932,764.72/196,503.24
  6. Step 6: Final answer
    x = 160,012.29

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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.