Home / 321,945.85-444,195.23-201,209.78

Finding the Fourth Proportional to 321,945.85, 444,195.23 and 201,209.78

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Solution

The fourth proportional to 321,945.85, 444,195.23 and 201,209.78 is: 277,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,945.85 : 444,195.23 = 201,209.78 : x
  2. Step 2: Convert to fraction form
    321,945.85/444,195.23 = 201,209.78/x
  3. Step 3: Cross multiply
    321,945.85x = 444,195.23 × 201,209.78
  4. Step 4: Simplify right side
    321,945.85x = 89,376,424,505.35
  5. Step 5: Solve for x
    x = 89,376,424,505.35/321,945.85
  6. Step 6: Final answer
    x = 277,613.22

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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.