Home / 225,569.82-338,362.92-75,815.10

Finding the Fourth Proportional to 225,569.82, 338,362.92 and 75,815.10

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Solution

The fourth proportional to 225,569.82, 338,362.92 and 75,815.10 is: 113,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,569.82 : 338,362.92 = 75,815.10 : x
  2. Step 2: Convert to fraction form
    225,569.82/338,362.92 = 75,815.10/x
  3. Step 3: Cross multiply
    225,569.82x = 338,362.92 × 75,815.10
  4. Step 4: Simplify right side
    225,569.82x = 25,653,018,616.09
  5. Step 5: Solve for x
    x = 25,653,018,616.09/225,569.82
  6. Step 6: Final answer
    x = 113,725.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.