Home / 311,839.38-430,051.41-204,370.38

Finding the Fourth Proportional to 311,839.38, 430,051.41 and 204,370.38

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Solution

The fourth proportional to 311,839.38, 430,051.41 and 204,370.38 is: 281,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,839.38 : 430,051.41 = 204,370.38 : x
  2. Step 2: Convert to fraction form
    311,839.38/430,051.41 = 204,370.38/x
  3. Step 3: Cross multiply
    311,839.38x = 430,051.41 × 204,370.38
  4. Step 4: Simplify right side
    311,839.38x = 87,889,770,081.24
  5. Step 5: Solve for x
    x = 87,889,770,081.24/311,839.38
  6. Step 6: Final answer
    x = 281,843.08

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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.