Home / 561,165.24-842,083.20-206,215.14

Finding the Fourth Proportional to 561,165.24, 842,083.20 and 206,215.14

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Solution

The fourth proportional to 561,165.24, 842,083.20 and 206,215.14 is: 309,445.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,165.24 : 842,083.20 = 206,215.14 : x
  2. Step 2: Convert to fraction form
    561,165.24/842,083.20 = 206,215.14/x
  3. Step 3: Cross multiply
    561,165.24x = 842,083.20 × 206,215.14
  4. Step 4: Simplify right side
    561,165.24x = 173,650,304,979.65
  5. Step 5: Solve for x
    x = 173,650,304,979.65/561,165.24
  6. Step 6: Final answer
    x = 309,445.94

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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.