Home / 338,778.32-467,514.75-185,817.75

Finding the Fourth Proportional to 338,778.32, 467,514.75 and 185,817.75

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Solution

The fourth proportional to 338,778.32, 467,514.75 and 185,817.75 is: 256,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,778.32 : 467,514.75 = 185,817.75 : x
  2. Step 2: Convert to fraction form
    338,778.32/467,514.75 = 185,817.75/x
  3. Step 3: Cross multiply
    338,778.32x = 467,514.75 × 185,817.75
  4. Step 4: Simplify right side
    338,778.32x = 86,872,538,007.72
  5. Step 5: Solve for x
    x = 86,872,538,007.72/338,778.32
  6. Step 6: Final answer
    x = 256,428.86

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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.