Home / 313,614.03-432,789.07-192,834.22

Finding the Fourth Proportional to 313,614.03, 432,789.07 and 192,834.22

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Solution

The fourth proportional to 313,614.03, 432,789.07 and 192,834.22 is: 266,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,614.03 : 432,789.07 = 192,834.22 : x
  2. Step 2: Convert to fraction form
    313,614.03/432,789.07 = 192,834.22/x
  3. Step 3: Cross multiply
    313,614.03x = 432,789.07 × 192,834.22
  4. Step 4: Simplify right side
    313,614.03x = 83,456,542,737.98
  5. Step 5: Solve for x
    x = 83,456,542,737.98/313,614.03
  6. Step 6: Final answer
    x = 266,112.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.