Home / 209,669.31-289,333.62-114,175.44

Finding the Fourth Proportional to 209,669.31, 289,333.62 and 114,175.44

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Solution

The fourth proportional to 209,669.31, 289,333.62 and 114,175.44 is: 157,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,669.31 : 289,333.62 = 114,175.44 : x
  2. Step 2: Convert to fraction form
    209,669.31/289,333.62 = 114,175.44/x
  3. Step 3: Cross multiply
    209,669.31x = 289,333.62 × 114,175.44
  4. Step 4: Simplify right side
    209,669.31x = 33,034,793,370.29
  5. Step 5: Solve for x
    x = 33,034,793,370.29/209,669.31
  6. Step 6: Final answer
    x = 157,556.65

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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.