Home / 338,739.52-467,479.20-187,833.28

Finding the Fourth Proportional to 338,739.52, 467,479.20 and 187,833.28

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Solution

The fourth proportional to 338,739.52, 467,479.20 and 187,833.28 is: 259,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,739.52 : 467,479.20 = 187,833.28 : x
  2. Step 2: Convert to fraction form
    338,739.52/467,479.20 = 187,833.28/x
  3. Step 3: Cross multiply
    338,739.52x = 467,479.20 × 187,833.28
  4. Step 4: Simplify right side
    338,739.52x = 87,808,151,467.78
  5. Step 5: Solve for x
    x = 87,808,151,467.78/338,739.52
  6. Step 6: Final answer
    x = 259,220.27

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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.