Home / 412,337.54-618,522.66-196,144.35

Finding the Fourth Proportional to 412,337.54, 618,522.66 and 196,144.35

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Solution

The fourth proportional to 412,337.54, 618,522.66 and 196,144.35 is: 294,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,337.54 : 618,522.66 = 196,144.35 : x
  2. Step 2: Convert to fraction form
    412,337.54/618,522.66 = 196,144.35/x
  3. Step 3: Cross multiply
    412,337.54x = 618,522.66 × 196,144.35
  4. Step 4: Simplify right side
    412,337.54x = 121,319,725,105.97
  5. Step 5: Solve for x
    x = 121,319,725,105.97/412,337.54
  6. Step 6: Final answer
    x = 294,224.31

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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.