Home / 205,997.22-307,451.37-192,545.22

Finding the Fourth Proportional to 205,997.22, 307,451.37 and 192,545.22

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Solution

The fourth proportional to 205,997.22, 307,451.37 and 192,545.22 is: 287,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,997.22 : 307,451.37 = 192,545.22 : x
  2. Step 2: Convert to fraction form
    205,997.22/307,451.37 = 192,545.22/x
  3. Step 3: Cross multiply
    205,997.22x = 307,451.37 × 192,545.22
  4. Step 4: Simplify right side
    205,997.22x = 59,198,291,675.95
  5. Step 5: Solve for x
    x = 59,198,291,675.95/205,997.22
  6. Step 6: Final answer
    x = 287,374.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.