Home / 188,172.53-259,559.96-111,637.44

Finding the Fourth Proportional to 188,172.53, 259,559.96 and 111,637.44

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Solution

The fourth proportional to 188,172.53, 259,559.96 and 111,637.44 is: 153,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,172.53 : 259,559.96 = 111,637.44 : x
  2. Step 2: Convert to fraction form
    188,172.53/259,559.96 = 111,637.44/x
  3. Step 3: Cross multiply
    188,172.53x = 259,559.96 × 111,637.44
  4. Step 4: Simplify right side
    188,172.53x = 28,976,608,163.10
  5. Step 5: Solve for x
    x = 28,976,608,163.10/188,172.53
  6. Step 6: Final answer
    x = 153,989.58

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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.