Home / 338,918.64-467,747.64-188,025.36

Finding the Fourth Proportional to 338,918.64, 467,747.64 and 188,025.36

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Solution

The fourth proportional to 338,918.64, 467,747.64 and 188,025.36 is: 259,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,918.64 : 467,747.64 = 188,025.36 : x
  2. Step 2: Convert to fraction form
    338,918.64/467,747.64 = 188,025.36/x
  3. Step 3: Cross multiply
    338,918.64x = 467,747.64 × 188,025.36
  4. Step 4: Simplify right side
    338,918.64x = 87,948,418,400.15
  5. Step 5: Solve for x
    x = 87,948,418,400.15/338,918.64
  6. Step 6: Final answer
    x = 259,497.14

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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.