Home / 397,288.26-595,950.75-131,072.04

Finding the Fourth Proportional to 397,288.26, 595,950.75 and 131,072.04

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Solution

The fourth proportional to 397,288.26, 595,950.75 and 131,072.04 is: 196,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,288.26 : 595,950.75 = 131,072.04 : x
  2. Step 2: Convert to fraction form
    397,288.26/595,950.75 = 131,072.04/x
  3. Step 3: Cross multiply
    397,288.26x = 595,950.75 × 131,072.04
  4. Step 4: Simplify right side
    397,288.26x = 78,112,477,815.69
  5. Step 5: Solve for x
    x = 78,112,477,815.69/397,288.26
  6. Step 6: Final answer
    x = 196,614.11

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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.