Home / 227,190.25-313,518.47-123,825.38

Finding the Fourth Proportional to 227,190.25, 313,518.47 and 123,825.38

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Solution

The fourth proportional to 227,190.25, 313,518.47 and 123,825.38 is: 170,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,190.25 : 313,518.47 = 123,825.38 : x
  2. Step 2: Convert to fraction form
    227,190.25/313,518.47 = 123,825.38/x
  3. Step 3: Cross multiply
    227,190.25x = 313,518.47 × 123,825.38
  4. Step 4: Simplify right side
    227,190.25x = 38,821,543,210.54
  5. Step 5: Solve for x
    x = 38,821,543,210.54/227,190.25
  6. Step 6: Final answer
    x = 170,876.80

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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.