Home / 197,084.12-271,976.10-107,660.12

Finding the Fourth Proportional to 197,084.12, 271,976.10 and 107,660.12

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Solution

The fourth proportional to 197,084.12, 271,976.10 and 107,660.12 is: 148,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,084.12 : 271,976.10 = 107,660.12 : x
  2. Step 2: Convert to fraction form
    197,084.12/271,976.10 = 107,660.12/x
  3. Step 3: Cross multiply
    197,084.12x = 271,976.10 × 107,660.12
  4. Step 4: Simplify right side
    197,084.12x = 29,280,979,563.13
  5. Step 5: Solve for x
    x = 29,280,979,563.13/197,084.12
  6. Step 6: Final answer
    x = 148,570.97

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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.