Home / 196,761.52-271,527.66-111,876.76

Finding the Fourth Proportional to 196,761.52, 271,527.66 and 111,876.76

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Solution

The fourth proportional to 196,761.52, 271,527.66 and 111,876.76 is: 154,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,761.52 : 271,527.66 = 111,876.76 : x
  2. Step 2: Convert to fraction form
    196,761.52/271,527.66 = 111,876.76/x
  3. Step 3: Cross multiply
    196,761.52x = 271,527.66 × 111,876.76
  4. Step 4: Simplify right side
    196,761.52x = 30,377,634,851.18
  5. Step 5: Solve for x
    x = 30,377,634,851.18/196,761.52
  6. Step 6: Final answer
    x = 154,388.09

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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.