Home / 196,408.92-271,046.16-111,527.76

Finding the Fourth Proportional to 196,408.92, 271,046.16 and 111,527.76

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Solution

The fourth proportional to 196,408.92, 271,046.16 and 111,527.76 is: 153,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,408.92 : 271,046.16 = 111,527.76 : x
  2. Step 2: Convert to fraction form
    196,408.92/271,046.16 = 111,527.76/x
  3. Step 3: Cross multiply
    196,408.92x = 271,046.16 × 111,527.76
  4. Step 4: Simplify right side
    196,408.92x = 30,229,171,081.40
  5. Step 5: Solve for x
    x = 30,229,171,081.40/196,408.92
  6. Step 6: Final answer
    x = 153,909.36

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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.