Home / 197,266.62-271,908.06-154,170

Finding the Fourth Proportional to 197,266.62, 271,908.06 and 154,170

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Solution

The fourth proportional to 197,266.62, 271,908.06 and 154,170 is: 212,504.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,266.62 : 271,908.06 = 154,170 : x
  2. Step 2: Convert to fraction form
    197,266.62/271,908.06 = 154,170/x
  3. Step 3: Cross multiply
    197,266.62x = 271,908.06 × 154,170
  4. Step 4: Simplify right side
    197,266.62x = 41,920,065,610.20
  5. Step 5: Solve for x
    x = 41,920,065,610.20/197,266.62
  6. Step 6: Final answer
    x = 212,504.61

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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.