Home / 146,578.36-202,287.78-82,053.56

Finding the Fourth Proportional to 146,578.36, 202,287.78 and 82,053.56

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Solution

The fourth proportional to 146,578.36, 202,287.78 and 82,053.56 is: 113,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,578.36 : 202,287.78 = 82,053.56 : x
  2. Step 2: Convert to fraction form
    146,578.36/202,287.78 = 82,053.56/x
  3. Step 3: Cross multiply
    146,578.36x = 202,287.78 × 82,053.56
  4. Step 4: Simplify right side
    146,578.36x = 16,598,432,493.50
  5. Step 5: Solve for x
    x = 16,598,432,493.50/146,578.36
  6. Step 6: Final answer
    x = 113,239.31

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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.