Home / 195,231.30-292,512.32-131,069.28

Finding the Fourth Proportional to 195,231.30, 292,512.32 and 131,069.28

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Solution

The fourth proportional to 195,231.30, 292,512.32 and 131,069.28 is: 196,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,231.30 : 292,512.32 = 131,069.28 : x
  2. Step 2: Convert to fraction form
    195,231.30/292,512.32 = 131,069.28/x
  3. Step 3: Cross multiply
    195,231.30x = 292,512.32 × 131,069.28
  4. Step 4: Simplify right side
    195,231.30x = 38,339,379,173.53
  5. Step 5: Solve for x
    x = 38,339,379,173.53/195,231.30
  6. Step 6: Final answer
    x = 196,379.26

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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.