Home / 263,375.12-394,712.76-151,109.12

Finding the Fourth Proportional to 263,375.12, 394,712.76 and 151,109.12

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Solution

The fourth proportional to 263,375.12, 394,712.76 and 151,109.12 is: 226,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,375.12 : 394,712.76 = 151,109.12 : x
  2. Step 2: Convert to fraction form
    263,375.12/394,712.76 = 151,109.12/x
  3. Step 3: Cross multiply
    263,375.12x = 394,712.76 × 151,109.12
  4. Step 4: Simplify right side
    263,375.12x = 59,644,697,816.37
  5. Step 5: Solve for x
    x = 59,644,697,816.37/263,375.12
  6. Step 6: Final answer
    x = 226,462.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.