Home / 188,042.41-259,505.28-103,161.97

Finding the Fourth Proportional to 188,042.41, 259,505.28 and 103,161.97

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Solution

The fourth proportional to 188,042.41, 259,505.28 and 103,161.97 is: 142,367.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,042.41 : 259,505.28 = 103,161.97 : x
  2. Step 2: Convert to fraction form
    188,042.41/259,505.28 = 103,161.97/x
  3. Step 3: Cross multiply
    188,042.41x = 259,505.28 × 103,161.97
  4. Step 4: Simplify right side
    188,042.41x = 26,771,075,910.20
  5. Step 5: Solve for x
    x = 26,771,075,910.20/188,042.41
  6. Step 6: Final answer
    x = 142,367.22

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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.