Home / 197,453.82-272,485.48-106,809.68

Finding the Fourth Proportional to 197,453.82, 272,485.48 and 106,809.68

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Solution

The fourth proportional to 197,453.82, 272,485.48 and 106,809.68 is: 147,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,453.82 : 272,485.48 = 106,809.68 : x
  2. Step 2: Convert to fraction form
    197,453.82/272,485.48 = 106,809.68/x
  3. Step 3: Cross multiply
    197,453.82x = 272,485.48 × 106,809.68
  4. Step 4: Simplify right side
    197,453.82x = 29,104,086,923.45
  5. Step 5: Solve for x
    x = 29,104,086,923.45/197,453.82
  6. Step 6: Final answer
    x = 147,396.93

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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.