Home / 188,579.73-260,240.03-103,696.80

Finding the Fourth Proportional to 188,579.73, 260,240.03 and 103,696.80

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Solution

The fourth proportional to 188,579.73, 260,240.03 and 103,696.80 is: 143,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,579.73 : 260,240.03 = 103,696.80 : x
  2. Step 2: Convert to fraction form
    188,579.73/260,240.03 = 103,696.80/x
  3. Step 3: Cross multiply
    188,579.73x = 260,240.03 × 103,696.80
  4. Step 4: Simplify right side
    188,579.73x = 26,986,058,342.90
  5. Step 5: Solve for x
    x = 26,986,058,342.90/188,579.73
  6. Step 6: Final answer
    x = 143,101.59

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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.