Home / 206,456.04-309,683.40-56,696.48

Finding the Fourth Proportional to 206,456.04, 309,683.40 and 56,696.48

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Solution

The fourth proportional to 206,456.04, 309,683.40 and 56,696.48 is: 85,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,456.04 : 309,683.40 = 56,696.48 : x
  2. Step 2: Convert to fraction form
    206,456.04/309,683.40 = 56,696.48/x
  3. Step 3: Cross multiply
    206,456.04x = 309,683.40 × 56,696.48
  4. Step 4: Simplify right side
    206,456.04x = 17,557,958,694.43
  5. Step 5: Solve for x
    x = 17,557,958,694.43/206,456.04
  6. Step 6: Final answer
    x = 85,044.54

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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.