Home / 481,161.82-721,735.16-165,621.46

Finding the Fourth Proportional to 481,161.82, 721,735.16 and 165,621.46

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Solution

The fourth proportional to 481,161.82, 721,735.16 and 165,621.46 is: 248,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,161.82 : 721,735.16 = 165,621.46 : x
  2. Step 2: Convert to fraction form
    481,161.82/721,735.16 = 165,621.46/x
  3. Step 3: Cross multiply
    481,161.82x = 721,735.16 × 165,621.46
  4. Step 4: Simplify right side
    481,161.82x = 119,534,830,932.53
  5. Step 5: Solve for x
    x = 119,534,830,932.53/481,161.82
  6. Step 6: Final answer
    x = 248,429.58

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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.