Home / 212,650.92-319,018.30-60,849.43

Finding the Fourth Proportional to 212,650.92, 319,018.30 and 60,849.43

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Solution

The fourth proportional to 212,650.92, 319,018.30 and 60,849.43 is: 91,286.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,650.92 : 319,018.30 = 60,849.43 : x
  2. Step 2: Convert to fraction form
    212,650.92/319,018.30 = 60,849.43/x
  3. Step 3: Cross multiply
    212,650.92x = 319,018.30 × 60,849.43
  4. Step 4: Simplify right side
    212,650.92x = 19,412,080,764.90
  5. Step 5: Solve for x
    x = 19,412,080,764.90/212,650.92
  6. Step 6: Final answer
    x = 91,286.14

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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.