Home / 262,519.30-393,841.68-85,026.52

Finding the Fourth Proportional to 262,519.30, 393,841.68 and 85,026.52

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Solution

The fourth proportional to 262,519.30, 393,841.68 and 85,026.52 is: 127,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,519.30 : 393,841.68 = 85,026.52 : x
  2. Step 2: Convert to fraction form
    262,519.30/393,841.68 = 85,026.52/x
  3. Step 3: Cross multiply
    262,519.30x = 393,841.68 × 85,026.52
  4. Step 4: Simplify right side
    262,519.30x = 33,486,987,481.35
  5. Step 5: Solve for x
    x = 33,486,987,481.35/262,519.30
  6. Step 6: Final answer
    x = 127,560.10

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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.