Home / 354,680.92-531,721.98-165,043.24

Finding the Fourth Proportional to 354,680.92, 531,721.98 and 165,043.24

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Solution

The fourth proportional to 354,680.92, 531,721.98 and 165,043.24 is: 247,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,680.92 : 531,721.98 = 165,043.24 : x
  2. Step 2: Convert to fraction form
    354,680.92/531,721.98 = 165,043.24/x
  3. Step 3: Cross multiply
    354,680.92x = 531,721.98 × 165,043.24
  4. Step 4: Simplify right side
    354,680.92x = 87,757,118,358.42
  5. Step 5: Solve for x
    x = 87,757,118,358.42/354,680.92
  6. Step 6: Final answer
    x = 247,425.54

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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.