Home / 188,233.26-259,762.09-111,767.62

Finding the Fourth Proportional to 188,233.26, 259,762.09 and 111,767.62

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Solution

The fourth proportional to 188,233.26, 259,762.09 and 111,767.62 is: 154,239.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,233.26 : 259,762.09 = 111,767.62 : x
  2. Step 2: Convert to fraction form
    188,233.26/259,762.09 = 111,767.62/x
  3. Step 3: Cross multiply
    188,233.26x = 259,762.09 × 111,767.62
  4. Step 4: Simplify right side
    188,233.26x = 29,032,990,565.53
  5. Step 5: Solve for x
    x = 29,032,990,565.53/188,233.26
  6. Step 6: Final answer
    x = 154,239.43

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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.