Home / 220,786.25-304,717.83-130,113.23

Finding the Fourth Proportional to 220,786.25, 304,717.83 and 130,113.23

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Solution

The fourth proportional to 220,786.25, 304,717.83 and 130,113.23 is: 179,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,786.25 : 304,717.83 = 130,113.23 : x
  2. Step 2: Convert to fraction form
    220,786.25/304,717.83 = 130,113.23/x
  3. Step 3: Cross multiply
    220,786.25x = 304,717.83 × 130,113.23
  4. Step 4: Simplify right side
    220,786.25x = 39,647,821,099.89
  5. Step 5: Solve for x
    x = 39,647,821,099.89/220,786.25
  6. Step 6: Final answer
    x = 179,575.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.