Home / 188,119.12-259,609.44-103,239.24

Finding the Fourth Proportional to 188,119.12, 259,609.44 and 103,239.24

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Solution

The fourth proportional to 188,119.12, 259,609.44 and 103,239.24 is: 142,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,119.12 : 259,609.44 = 103,239.24 : x
  2. Step 2: Convert to fraction form
    188,119.12/259,609.44 = 103,239.24/x
  3. Step 3: Cross multiply
    188,119.12x = 259,609.44 × 103,239.24
  4. Step 4: Simplify right side
    188,119.12x = 26,801,881,282.43
  5. Step 5: Solve for x
    x = 26,801,881,282.43/188,119.12
  6. Step 6: Final answer
    x = 142,472.93

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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.