Home / 206,564.82-309,065.31-122,370.18

Finding the Fourth Proportional to 206,564.82, 309,065.31 and 122,370.18

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Solution

The fourth proportional to 206,564.82, 309,065.31 and 122,370.18 is: 183,092.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,564.82 : 309,065.31 = 122,370.18 : x
  2. Step 2: Convert to fraction form
    206,564.82/309,065.31 = 122,370.18/x
  3. Step 3: Cross multiply
    206,564.82x = 309,065.31 × 122,370.18
  4. Step 4: Simplify right side
    206,564.82x = 37,820,377,616.46
  5. Step 5: Solve for x
    x = 37,820,377,616.46/206,564.82
  6. Step 6: Final answer
    x = 183,092.06

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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.