Home / 227,050.68-313,316.16-131,540.88

Finding the Fourth Proportional to 227,050.68, 313,316.16 and 131,540.88

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Solution

The fourth proportional to 227,050.68, 313,316.16 and 131,540.88 is: 181,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,050.68 : 313,316.16 = 131,540.88 : x
  2. Step 2: Convert to fraction form
    227,050.68/313,316.16 = 131,540.88/x
  3. Step 3: Cross multiply
    227,050.68x = 313,316.16 × 131,540.88
  4. Step 4: Simplify right side
    227,050.68x = 41,213,883,404.62
  5. Step 5: Solve for x
    x = 41,213,883,404.62/227,050.68
  6. Step 6: Final answer
    x = 181,518.43

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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.