Home / 225,787.43-338,016.75-150,721.40

Finding the Fourth Proportional to 225,787.43, 338,016.75 and 150,721.40

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Solution

The fourth proportional to 225,787.43, 338,016.75 and 150,721.40 is: 225,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,787.43 : 338,016.75 = 150,721.40 : x
  2. Step 2: Convert to fraction form
    225,787.43/338,016.75 = 150,721.40/x
  3. Step 3: Cross multiply
    225,787.43x = 338,016.75 × 150,721.40
  4. Step 4: Simplify right side
    225,787.43x = 50,946,357,783.45
  5. Step 5: Solve for x
    x = 50,946,357,783.45/225,787.43
  6. Step 6: Final answer
    x = 225,638.59

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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.