Home / 196,539.82-271,225.86-111,661.54

Finding the Fourth Proportional to 196,539.82, 271,225.86 and 111,661.54

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Solution

The fourth proportional to 196,539.82, 271,225.86 and 111,661.54 is: 154,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,539.82 : 271,225.86 = 111,661.54 : x
  2. Step 2: Convert to fraction form
    196,539.82/271,225.86 = 111,661.54/x
  3. Step 3: Cross multiply
    196,539.82x = 271,225.86 × 111,661.54
  4. Step 4: Simplify right side
    196,539.82x = 30,285,497,215.42
  5. Step 5: Solve for x
    x = 30,285,497,215.42/196,539.82
  6. Step 6: Final answer
    x = 154,093.44

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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.