Home / 338,514.16-467,149.92-187,611.28

Finding the Fourth Proportional to 338,514.16, 467,149.92 and 187,611.28

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Solution

The fourth proportional to 338,514.16, 467,149.92 and 187,611.28 is: 258,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,514.16 : 467,149.92 = 187,611.28 : x
  2. Step 2: Convert to fraction form
    338,514.16/467,149.92 = 187,611.28/x
  3. Step 3: Cross multiply
    338,514.16x = 467,149.92 × 187,611.28
  4. Step 4: Simplify right side
    338,514.16x = 87,642,594,443.10
  5. Step 5: Solve for x
    x = 87,642,594,443.10/338,514.16
  6. Step 6: Final answer
    x = 258,903.78

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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.