Home / 263,318.39-363,422.84-161,400.54

Finding the Fourth Proportional to 263,318.39, 363,422.84 and 161,400.54

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Solution

The fourth proportional to 263,318.39, 363,422.84 and 161,400.54 is: 222,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,318.39 : 363,422.84 = 161,400.54 : x
  2. Step 2: Convert to fraction form
    263,318.39/363,422.84 = 161,400.54/x
  3. Step 3: Cross multiply
    263,318.39x = 363,422.84 × 161,400.54
  4. Step 4: Simplify right side
    263,318.39x = 58,656,642,624.33
  5. Step 5: Solve for x
    x = 58,656,642,624.33/263,318.39
  6. Step 6: Final answer
    x = 222,759.39

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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.