Home / 263,321.38-363,426.98-161,403.54

Finding the Fourth Proportional to 263,321.38, 363,426.98 and 161,403.54

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Solution

The fourth proportional to 263,321.38, 363,426.98 and 161,403.54 is: 222,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,321.38 : 363,426.98 = 161,403.54 : x
  2. Step 2: Convert to fraction form
    263,321.38/363,426.98 = 161,403.54/x
  3. Step 3: Cross multiply
    263,321.38x = 363,426.98 × 161,403.54
  4. Step 4: Simplify right side
    263,321.38x = 58,658,401,103.51
  5. Step 5: Solve for x
    x = 58,658,401,103.51/263,321.38
  6. Step 6: Final answer
    x = 222,763.53

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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.