Home / 338,974.26-467,783.19-186,015

Finding the Fourth Proportional to 338,974.26, 467,783.19 and 186,015

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Solution

The fourth proportional to 338,974.26, 467,783.19 and 186,015 is: 256,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,974.26 : 467,783.19 = 186,015 : x
  2. Step 2: Convert to fraction form
    338,974.26/467,783.19 = 186,015/x
  3. Step 3: Cross multiply
    338,974.26x = 467,783.19 × 186,015
  4. Step 4: Simplify right side
    338,974.26x = 87,014,690,087.85
  5. Step 5: Solve for x
    x = 87,014,690,087.85/338,974.26
  6. Step 6: Final answer
    x = 256,699.99

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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.