Home / 197,132.30-271,956.74-120,654.80

Finding the Fourth Proportional to 197,132.30, 271,956.74 and 120,654.80

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Solution

The fourth proportional to 197,132.30, 271,956.74 and 120,654.80 is: 166,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,132.30 : 271,956.74 = 120,654.80 : x
  2. Step 2: Convert to fraction form
    197,132.30/271,956.74 = 120,654.80/x
  3. Step 3: Cross multiply
    197,132.30x = 271,956.74 × 120,654.80
  4. Step 4: Simplify right side
    197,132.30x = 32,812,886,073.35
  5. Step 5: Solve for x
    x = 32,812,886,073.35/197,132.30
  6. Step 6: Final answer
    x = 166,451.09

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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.