Home / 188,517.48-260,165.22-103,634.28

Finding the Fourth Proportional to 188,517.48, 260,165.22 and 103,634.28

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Solution

The fourth proportional to 188,517.48, 260,165.22 and 103,634.28 is: 143,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,517.48 : 260,165.22 = 103,634.28 : x
  2. Step 2: Convert to fraction form
    188,517.48/260,165.22 = 103,634.28/x
  3. Step 3: Cross multiply
    188,517.48x = 260,165.22 × 103,634.28
  4. Step 4: Simplify right side
    188,517.48x = 26,962,035,255.74
  5. Step 5: Solve for x
    x = 26,962,035,255.74/188,517.48
  6. Step 6: Final answer
    x = 143,021.41

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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.