Home / 188,121.16-259,610.70-103,241.26

Finding the Fourth Proportional to 188,121.16, 259,610.70 and 103,241.26

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Solution

The fourth proportional to 188,121.16, 259,610.70 and 103,241.26 is: 142,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,121.16 : 259,610.70 = 103,241.26 : x
  2. Step 2: Convert to fraction form
    188,121.16/259,610.70 = 103,241.26/x
  3. Step 3: Cross multiply
    188,121.16x = 259,610.70 × 103,241.26
  4. Step 4: Simplify right side
    188,121.16x = 26,802,535,777.48
  5. Step 5: Solve for x
    x = 26,802,535,777.48/188,121.16
  6. Step 6: Final answer
    x = 142,474.86

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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.