Home / 227,022.86-313,397.70-131,510.90

Finding the Fourth Proportional to 227,022.86, 313,397.70 and 131,510.90

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Solution

The fourth proportional to 227,022.86, 313,397.70 and 131,510.90 is: 181,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,022.86 : 313,397.70 = 131,510.90 : x
  2. Step 2: Convert to fraction form
    227,022.86/313,397.70 = 131,510.90/x
  3. Step 3: Cross multiply
    227,022.86x = 313,397.70 × 131,510.90
  4. Step 4: Simplify right side
    227,022.86x = 41,215,213,584.93
  5. Step 5: Solve for x
    x = 41,215,213,584.93/227,022.86
  6. Step 6: Final answer
    x = 181,546.53

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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.