Home / 279,250.05-418,716.41-190,610.85

Finding the Fourth Proportional to 279,250.05, 418,716.41 and 190,610.85

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Solution

The fourth proportional to 279,250.05, 418,716.41 and 190,610.85 is: 285,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,250.05 : 418,716.41 = 190,610.85 : x
  2. Step 2: Convert to fraction form
    279,250.05/418,716.41 = 190,610.85/x
  3. Step 3: Cross multiply
    279,250.05x = 418,716.41 × 190,610.85
  4. Step 4: Simplify right side
    279,250.05x = 79,811,889,865.99
  5. Step 5: Solve for x
    x = 79,811,889,865.99/279,250.05
  6. Step 6: Final answer
    x = 285,807.97

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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.