Home / 196,634.97-271,379.30-111,764.79

Finding the Fourth Proportional to 196,634.97, 271,379.30 and 111,764.79

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Solution

The fourth proportional to 196,634.97, 271,379.30 and 111,764.79 is: 154,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,634.97 : 271,379.30 = 111,764.79 : x
  2. Step 2: Convert to fraction form
    196,634.97/271,379.30 = 111,764.79/x
  3. Step 3: Cross multiply
    196,634.97x = 271,379.30 × 111,764.79
  4. Step 4: Simplify right side
    196,634.97x = 30,330,649,916.02
  5. Step 5: Solve for x
    x = 30,330,649,916.02/196,634.97
  6. Step 6: Final answer
    x = 154,248.50

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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.