Home / 241,310.89-361,918.81-81,371.26

Finding the Fourth Proportional to 241,310.89, 361,918.81 and 81,371.26

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Solution

The fourth proportional to 241,310.89, 361,918.81 and 81,371.26 is: 122,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,310.89 : 361,918.81 = 81,371.26 : x
  2. Step 2: Convert to fraction form
    241,310.89/361,918.81 = 81,371.26/x
  3. Step 3: Cross multiply
    241,310.89x = 361,918.81 × 81,371.26
  4. Step 4: Simplify right side
    241,310.89x = 29,449,789,587.40
  5. Step 5: Solve for x
    x = 29,449,789,587.40/241,310.89
  6. Step 6: Final answer
    x = 122,040.86

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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.