Home / 197,634.43-272,735.20-106,990.37

Finding the Fourth Proportional to 197,634.43, 272,735.20 and 106,990.37

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Solution

The fourth proportional to 197,634.43, 272,735.20 and 106,990.37 is: 147,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,634.43 : 272,735.20 = 106,990.37 : x
  2. Step 2: Convert to fraction form
    197,634.43/272,735.20 = 106,990.37/x
  3. Step 3: Cross multiply
    197,634.43x = 272,735.20 × 106,990.37
  4. Step 4: Simplify right side
    197,634.43x = 29,180,039,960.02
  5. Step 5: Solve for x
    x = 29,180,039,960.02/197,634.43
  6. Step 6: Final answer
    x = 147,646.54

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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.