Home / 197,583.05-272,662.25-106,936.86

Finding the Fourth Proportional to 197,583.05, 272,662.25 and 106,936.86

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Solution

The fourth proportional to 197,583.05, 272,662.25 and 106,936.86 is: 147,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,583.05 : 272,662.25 = 106,936.86 : x
  2. Step 2: Convert to fraction form
    197,583.05/272,662.25 = 106,936.86/x
  3. Step 3: Cross multiply
    197,583.05x = 272,662.25 × 106,936.86
  4. Step 4: Simplify right side
    197,583.05x = 29,157,644,320.85
  5. Step 5: Solve for x
    x = 29,157,644,320.85/197,583.05
  6. Step 6: Final answer
    x = 147,571.59

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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.