Home / 227,459.50-313,792.68-131,910.82

Finding the Fourth Proportional to 227,459.50, 313,792.68 and 131,910.82

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Solution

The fourth proportional to 227,459.50, 313,792.68 and 131,910.82 is: 181,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,459.50 : 313,792.68 = 131,910.82 : x
  2. Step 2: Convert to fraction form
    227,459.50/313,792.68 = 131,910.82/x
  3. Step 3: Cross multiply
    227,459.50x = 313,792.68 × 131,910.82
  4. Step 4: Simplify right side
    227,459.50x = 41,392,649,728.80
  5. Step 5: Solve for x
    x = 41,392,649,728.80/227,459.50
  6. Step 6: Final answer
    x = 181,978.11

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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.