Home / 481,442.20-721,968.90-165,736.60

Finding the Fourth Proportional to 481,442.20, 721,968.90 and 165,736.60

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Solution

The fourth proportional to 481,442.20, 721,968.90 and 165,736.60 is: 248,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,442.20 : 721,968.90 = 165,736.60 : x
  2. Step 2: Convert to fraction form
    481,442.20/721,968.90 = 165,736.60/x
  3. Step 3: Cross multiply
    481,442.20x = 721,968.90 × 165,736.60
  4. Step 4: Simplify right side
    481,442.20x = 119,656,670,791.74
  5. Step 5: Solve for x
    x = 119,656,670,791.74/481,442.20
  6. Step 6: Final answer
    x = 248,537.98

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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.