Home / 338,939.73-467,734.37-188,036.73

Finding the Fourth Proportional to 338,939.73, 467,734.37 and 188,036.73

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Solution

The fourth proportional to 338,939.73, 467,734.37 and 188,036.73 is: 259,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,939.73 : 467,734.37 = 188,036.73 : x
  2. Step 2: Convert to fraction form
    338,939.73/467,734.37 = 188,036.73/x
  3. Step 3: Cross multiply
    338,939.73x = 467,734.37 × 188,036.73
  4. Step 4: Simplify right side
    338,939.73x = 87,951,240,503.23
  5. Step 5: Solve for x
    x = 87,951,240,503.23/338,939.73
  6. Step 6: Final answer
    x = 259,489.32

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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.