Home / 188,448.12-260,058.60-103,563.36

Finding the Fourth Proportional to 188,448.12, 260,058.60 and 103,563.36

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Solution

The fourth proportional to 188,448.12, 260,058.60 and 103,563.36 is: 142,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,448.12 : 260,058.60 = 103,563.36 : x
  2. Step 2: Convert to fraction form
    188,448.12/260,058.60 = 103,563.36/x
  3. Step 3: Cross multiply
    188,448.12x = 260,058.60 × 103,563.36
  4. Step 4: Simplify right side
    188,448.12x = 26,932,542,412.90
  5. Step 5: Solve for x
    x = 26,932,542,412.90/188,448.12
  6. Step 6: Final answer
    x = 142,917.54

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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.