Home / 397,291.26-595,955.24-131,075.04

Finding the Fourth Proportional to 397,291.26, 595,955.24 and 131,075.04

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Solution

The fourth proportional to 397,291.26, 595,955.24 and 131,075.04 is: 196,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,291.26 : 595,955.24 = 131,075.04 : x
  2. Step 2: Convert to fraction form
    397,291.26/595,955.24 = 131,075.04/x
  3. Step 3: Cross multiply
    397,291.26x = 595,955.24 × 131,075.04
  4. Step 4: Simplify right side
    397,291.26x = 78,114,856,921.21
  5. Step 5: Solve for x
    x = 78,114,856,921.21/397,291.26
  6. Step 6: Final answer
    x = 196,618.61

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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.