Home / 136,610.22-188,517.66-75,356.26

Finding the Fourth Proportional to 136,610.22, 188,517.66 and 75,356.26

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Solution

The fourth proportional to 136,610.22, 188,517.66 and 75,356.26 is: 103,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,610.22 : 188,517.66 = 75,356.26 : x
  2. Step 2: Convert to fraction form
    136,610.22/188,517.66 = 75,356.26/x
  3. Step 3: Cross multiply
    136,610.22x = 188,517.66 × 75,356.26
  4. Step 4: Simplify right side
    136,610.22x = 14,205,985,801.55
  5. Step 5: Solve for x
    x = 14,205,985,801.55/136,610.22
  6. Step 6: Final answer
    x = 103,989.19

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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.