Home / 149,677.48-206,540.22-82,605.16

Finding the Fourth Proportional to 149,677.48, 206,540.22 and 82,605.16

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Solution

The fourth proportional to 149,677.48, 206,540.22 and 82,605.16 is: 113,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,677.48 : 206,540.22 = 82,605.16 : x
  2. Step 2: Convert to fraction form
    149,677.48/206,540.22 = 82,605.16/x
  3. Step 3: Cross multiply
    149,677.48x = 206,540.22 × 82,605.16
  4. Step 4: Simplify right side
    149,677.48x = 17,061,287,919.54
  5. Step 5: Solve for x
    x = 17,061,287,919.54/149,677.48
  6. Step 6: Final answer
    x = 113,987.01

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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.