Home / 242,383.05-363,604.55-82,485.81

Finding the Fourth Proportional to 242,383.05, 363,604.55 and 82,485.81

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Solution

The fourth proportional to 242,383.05, 363,604.55 and 82,485.81 is: 123,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,383.05 : 363,604.55 = 82,485.81 : x
  2. Step 2: Convert to fraction form
    242,383.05/363,604.55 = 82,485.81/x
  3. Step 3: Cross multiply
    242,383.05x = 363,604.55 × 82,485.81
  4. Step 4: Simplify right side
    242,383.05x = 29,992,215,414.01
  5. Step 5: Solve for x
    x = 29,992,215,414.01/242,383.05
  6. Step 6: Final answer
    x = 123,738.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.