Home / 304,150.59-419,588.33-196,755.21

Finding the Fourth Proportional to 304,150.59, 419,588.33 and 196,755.21

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Solution

The fourth proportional to 304,150.59, 419,588.33 and 196,755.21 is: 271,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,150.59 : 419,588.33 = 196,755.21 : x
  2. Step 2: Convert to fraction form
    304,150.59/419,588.33 = 196,755.21/x
  3. Step 3: Cross multiply
    304,150.59x = 419,588.33 × 196,755.21
  4. Step 4: Simplify right side
    304,150.59x = 82,556,188,998.92
  5. Step 5: Solve for x
    x = 82,556,188,998.92/304,150.59
  6. Step 6: Final answer
    x = 271,431.95

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1.5x scale

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.