Home / 309,930.48-464,921.64-110,359.44

Finding the Fourth Proportional to 309,930.48, 464,921.64 and 110,359.44

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Solution

The fourth proportional to 309,930.48, 464,921.64 and 110,359.44 is: 165,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,930.48 : 464,921.64 = 110,359.44 : x
  2. Step 2: Convert to fraction form
    309,930.48/464,921.64 = 110,359.44/x
  3. Step 3: Cross multiply
    309,930.48x = 464,921.64 × 110,359.44
  4. Step 4: Simplify right side
    309,930.48x = 51,308,491,834.28
  5. Step 5: Solve for x
    x = 51,308,491,834.28/309,930.48
  6. Step 6: Final answer
    x = 165,548.39

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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.