Home / 445,717.06-668,772.34-179,996.56

Finding the Fourth Proportional to 445,717.06, 668,772.34 and 179,996.56

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Solution

The fourth proportional to 445,717.06, 668,772.34 and 179,996.56 is: 270,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,717.06 : 668,772.34 = 179,996.56 : x
  2. Step 2: Convert to fraction form
    445,717.06/668,772.34 = 179,996.56/x
  3. Step 3: Cross multiply
    445,717.06x = 668,772.34 × 179,996.56
  4. Step 4: Simplify right side
    445,717.06x = 120,376,720,623.15
  5. Step 5: Solve for x
    x = 120,376,720,623.15/445,717.06
  6. Step 6: Final answer
    x = 270,074.29

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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.