Home / 295,923-408,383.82-161,795.64

Finding the Fourth Proportional to 295,923, 408,383.82 and 161,795.64

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Solution

The fourth proportional to 295,923, 408,383.82 and 161,795.64 is: 223,283.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,923 : 408,383.82 = 161,795.64 : x
  2. Step 2: Convert to fraction form
    295,923/408,383.82 = 161,795.64/x
  3. Step 3: Cross multiply
    295,923x = 408,383.82 × 161,795.64
  4. Step 4: Simplify right side
    295,923x = 66,074,721,522.54
  5. Step 5: Solve for x
    x = 66,074,721,522.54/295,923
  6. Step 6: Final answer
    x = 223,283.49

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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.