Home / 227,205.68-313,544.12-131,767.80

Finding the Fourth Proportional to 227,205.68, 313,544.12 and 131,767.80

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Solution

The fourth proportional to 227,205.68, 313,544.12 and 131,767.80 is: 181,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,205.68 : 313,544.12 = 131,767.80 : x
  2. Step 2: Convert to fraction form
    227,205.68/313,544.12 = 131,767.80/x
  3. Step 3: Cross multiply
    227,205.68x = 313,544.12 × 131,767.80
  4. Step 4: Simplify right side
    227,205.68x = 41,315,018,895.34
  5. Step 5: Solve for x
    x = 41,315,018,895.34/227,205.68
  6. Step 6: Final answer
    x = 181,839.73

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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.