Home / 132,645.26-198,842.82-66,022.43

Finding the Fourth Proportional to 132,645.26, 198,842.82 and 66,022.43

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Solution

The fourth proportional to 132,645.26, 198,842.82 and 66,022.43 is: 98,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,645.26 : 198,842.82 = 66,022.43 : x
  2. Step 2: Convert to fraction form
    132,645.26/198,842.82 = 66,022.43/x
  3. Step 3: Cross multiply
    132,645.26x = 198,842.82 × 66,022.43
  4. Step 4: Simplify right side
    132,645.26x = 13,128,084,922.65
  5. Step 5: Solve for x
    x = 13,128,084,922.65/132,645.26
  6. Step 6: Final answer
    x = 98,971.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.