Home / 289,536.62-399,575.22-166,983.41

Finding the Fourth Proportional to 289,536.62, 399,575.22 and 166,983.41

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Solution

The fourth proportional to 289,536.62, 399,575.22 and 166,983.41 is: 230,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,536.62 : 399,575.22 = 166,983.41 : x
  2. Step 2: Convert to fraction form
    289,536.62/399,575.22 = 166,983.41/x
  3. Step 3: Cross multiply
    289,536.62x = 399,575.22 × 166,983.41
  4. Step 4: Simplify right side
    289,536.62x = 66,722,430,789.22
  5. Step 5: Solve for x
    x = 66,722,430,789.22/289,536.62
  6. Step 6: Final answer
    x = 230,445.57

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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.