Home / 665,942.22-999,062.91-192,664.44

Finding the Fourth Proportional to 665,942.22, 999,062.91 and 192,664.44

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Solution

The fourth proportional to 665,942.22, 999,062.91 and 192,664.44 is: 289,039.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,942.22 : 999,062.91 = 192,664.44 : x
  2. Step 2: Convert to fraction form
    665,942.22/999,062.91 = 192,664.44/x
  3. Step 3: Cross multiply
    665,942.22x = 999,062.91 × 192,664.44
  4. Step 4: Simplify right side
    665,942.22x = 192,483,896,079.92
  5. Step 5: Solve for x
    x = 192,483,896,079.92/665,942.22
  6. Step 6: Final answer
    x = 289,039.94

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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.