Home / 206,453.40-284,691.42-145,996.44

Finding the Fourth Proportional to 206,453.40, 284,691.42 and 145,996.44

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Solution

The fourth proportional to 206,453.40, 284,691.42 and 145,996.44 is: 201,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,453.40 : 284,691.42 = 145,996.44 : x
  2. Step 2: Convert to fraction form
    206,453.40/284,691.42 = 145,996.44/x
  3. Step 3: Cross multiply
    206,453.40x = 284,691.42 × 145,996.44
  4. Step 4: Simplify right side
    206,453.40x = 41,563,933,818.54
  5. Step 5: Solve for x
    x = 41,563,933,818.54/206,453.40
  6. Step 6: Final answer
    x = 201,323.56

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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.