Home / 227,449.13-313,778.34-131,900.49

Finding the Fourth Proportional to 227,449.13, 313,778.34 and 131,900.49

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Solution

The fourth proportional to 227,449.13, 313,778.34 and 131,900.49 is: 181,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,449.13 : 313,778.34 = 131,900.49 : x
  2. Step 2: Convert to fraction form
    227,449.13/313,778.34 = 131,900.49/x
  3. Step 3: Cross multiply
    227,449.13x = 313,778.34 × 131,900.49
  4. Step 4: Simplify right side
    227,449.13x = 41,387,516,797.39
  5. Step 5: Solve for x
    x = 41,387,516,797.39/227,449.13
  6. Step 6: Final answer
    x = 181,963.84

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1.5x scale

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.