Home / 205,621.38-307,579.10-193,024.26

Finding the Fourth Proportional to 205,621.38, 307,579.10 and 193,024.26

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Solution

The fourth proportional to 205,621.38, 307,579.10 and 193,024.26 is: 288,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,621.38 : 307,579.10 = 193,024.26 : x
  2. Step 2: Convert to fraction form
    205,621.38/307,579.10 = 193,024.26/x
  3. Step 3: Cross multiply
    205,621.38x = 307,579.10 × 193,024.26
  4. Step 4: Simplify right side
    205,621.38x = 59,370,228,168.97
  5. Step 5: Solve for x
    x = 59,370,228,168.97/205,621.38
  6. Step 6: Final answer
    x = 288,735.68

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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.