Home / 131,118.24-196,327.44-68,657.44

Finding the Fourth Proportional to 131,118.24, 196,327.44 and 68,657.44

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Solution

The fourth proportional to 131,118.24, 196,327.44 and 68,657.44 is: 102,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,118.24 : 196,327.44 = 68,657.44 : x
  2. Step 2: Convert to fraction form
    131,118.24/196,327.44 = 68,657.44/x
  3. Step 3: Cross multiply
    131,118.24x = 196,327.44 × 68,657.44
  4. Step 4: Simplify right side
    131,118.24x = 13,479,339,432.15
  5. Step 5: Solve for x
    x = 13,479,339,432.15/131,118.24
  6. Step 6: Final answer
    x = 102,802.93

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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.