Home / 197,100.54-271,998.66-106,456.47

Finding the Fourth Proportional to 197,100.54, 271,998.66 and 106,456.47

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Solution

The fourth proportional to 197,100.54, 271,998.66 and 106,456.47 is: 146,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,100.54 : 271,998.66 = 106,456.47 : x
  2. Step 2: Convert to fraction form
    197,100.54/271,998.66 = 106,456.47/x
  3. Step 3: Cross multiply
    197,100.54x = 271,998.66 × 106,456.47
  4. Step 4: Simplify right side
    197,100.54x = 28,956,017,188.33
  5. Step 5: Solve for x
    x = 28,956,017,188.33/197,100.54
  6. Step 6: Final answer
    x = 146,909.88

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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.