Home / 197,964.17-273,190.62-107,320.11

Finding the Fourth Proportional to 197,964.17, 273,190.62 and 107,320.11

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Solution

The fourth proportional to 197,964.17, 273,190.62 and 107,320.11 is: 148,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,964.17 : 273,190.62 = 107,320.11 : x
  2. Step 2: Convert to fraction form
    197,964.17/273,190.62 = 107,320.11/x
  3. Step 3: Cross multiply
    197,964.17x = 273,190.62 × 107,320.11
  4. Step 4: Simplify right side
    197,964.17x = 29,318,847,389.37
  5. Step 5: Solve for x
    x = 29,318,847,389.37/197,964.17
  6. Step 6: Final answer
    x = 148,101.79

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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.