Home / 263,453.10-395,179.65-66,461.10

Finding the Fourth Proportional to 263,453.10, 395,179.65 and 66,461.10

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Solution

The fourth proportional to 263,453.10, 395,179.65 and 66,461.10 is: 99,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,453.10 : 395,179.65 = 66,461.10 : x
  2. Step 2: Convert to fraction form
    263,453.10/395,179.65 = 66,461.10/x
  3. Step 3: Cross multiply
    263,453.10x = 395,179.65 × 66,461.10
  4. Step 4: Simplify right side
    263,453.10x = 26,264,074,236.62
  5. Step 5: Solve for x
    x = 26,264,074,236.62/263,453.10
  6. Step 6: Final answer
    x = 99,691.65

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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.