Home / 338,739.36-467,449.20-187,847.52

Finding the Fourth Proportional to 338,739.36, 467,449.20 and 187,847.52

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Solution

The fourth proportional to 338,739.36, 467,449.20 and 187,847.52 is: 259,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,739.36 : 467,449.20 = 187,847.52 : x
  2. Step 2: Convert to fraction form
    338,739.36/467,449.20 = 187,847.52/x
  3. Step 3: Cross multiply
    338,739.36x = 467,449.20 × 187,847.52
  4. Step 4: Simplify right side
    338,739.36x = 87,809,172,945.98
  5. Step 5: Solve for x
    x = 87,809,172,945.98/338,739.36
  6. Step 6: Final answer
    x = 259,223.41

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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.