Home / 338,939.12-467,736.54-188,036.12

Finding the Fourth Proportional to 338,939.12, 467,736.54 and 188,036.12

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Solution

The fourth proportional to 338,939.12, 467,736.54 and 188,036.12 is: 259,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,939.12 : 467,736.54 = 188,036.12 : x
  2. Step 2: Convert to fraction form
    338,939.12/467,736.54 = 188,036.12/x
  3. Step 3: Cross multiply
    338,939.12x = 467,736.54 × 188,036.12
  4. Step 4: Simplify right side
    338,939.12x = 87,951,364,163.82
  5. Step 5: Solve for x
    x = 87,951,364,163.82/338,939.12
  6. Step 6: Final answer
    x = 259,490.15

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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.