Home / 196,768.68-271,539.51-111,885.75

Finding the Fourth Proportional to 196,768.68, 271,539.51 and 111,885.75

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Solution

The fourth proportional to 196,768.68, 271,539.51 and 111,885.75 is: 154,401.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,768.68 : 271,539.51 = 111,885.75 : x
  2. Step 2: Convert to fraction form
    196,768.68/271,539.51 = 111,885.75/x
  3. Step 3: Cross multiply
    196,768.68x = 271,539.51 × 111,885.75
  4. Step 4: Simplify right side
    196,768.68x = 30,381,401,730.98
  5. Step 5: Solve for x
    x = 30,381,401,730.98/196,768.68
  6. Step 6: Final answer
    x = 154,401.61

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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.