Home / 454,057.10-681,231.45-201,239.90

Finding the Fourth Proportional to 454,057.10, 681,231.45 and 201,239.90

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Solution

The fourth proportional to 454,057.10, 681,231.45 and 201,239.90 is: 301,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,057.10 : 681,231.45 = 201,239.90 : x
  2. Step 2: Convert to fraction form
    454,057.10/681,231.45 = 201,239.90/x
  3. Step 3: Cross multiply
    454,057.10x = 681,231.45 × 201,239.90
  4. Step 4: Simplify right side
    454,057.10x = 137,090,948,874.86
  5. Step 5: Solve for x
    x = 137,090,948,874.86/454,057.10
  6. Step 6: Final answer
    x = 301,924.47

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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.