Home / 197,635.44-272,736.57-106,991.37

Finding the Fourth Proportional to 197,635.44, 272,736.57 and 106,991.37

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Solution

The fourth proportional to 197,635.44, 272,736.57 and 106,991.37 is: 147,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,635.44 : 272,736.57 = 106,991.37 : x
  2. Step 2: Convert to fraction form
    197,635.44/272,736.57 = 106,991.37/x
  3. Step 3: Cross multiply
    197,635.44x = 272,736.57 × 106,991.37
  4. Step 4: Simplify right side
    197,635.44x = 29,180,459,273.40
  5. Step 5: Solve for x
    x = 29,180,459,273.40/197,635.44
  6. Step 6: Final answer
    x = 147,647.91

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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.