Home / 892,105.38-1,338,146.53-218,192.27

Finding the Fourth Proportional to 892,105.38, 1,338,146.53 and 218,192.27

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Solution

The fourth proportional to 892,105.38, 1,338,146.53 and 218,192.27 is: 327,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,105.38 : 1,338,146.53 = 218,192.27 : x
  2. Step 2: Convert to fraction form
    892,105.38/1,338,146.53 = 218,192.27/x
  3. Step 3: Cross multiply
    892,105.38x = 1,338,146.53 × 218,192.27
  4. Step 4: Simplify right side
    892,105.38x = 291,973,221,737.11
  5. Step 5: Solve for x
    x = 291,973,221,737.11/892,105.38
  6. Step 6: Final answer
    x = 327,285.57

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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.