Home / 188,805.06-260,558.37-103,930.02

Finding the Fourth Proportional to 188,805.06, 260,558.37 and 103,930.02

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Solution

The fourth proportional to 188,805.06, 260,558.37 and 103,930.02 is: 143,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,805.06 : 260,558.37 = 103,930.02 : x
  2. Step 2: Convert to fraction form
    188,805.06/260,558.37 = 103,930.02/x
  3. Step 3: Cross multiply
    188,805.06x = 260,558.37 × 103,930.02
  4. Step 4: Simplify right side
    188,805.06x = 27,079,836,605.27
  5. Step 5: Solve for x
    x = 27,079,836,605.27/188,805.06
  6. Step 6: Final answer
    x = 143,427.49

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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.