Home / 347,838.92-521,992.20-123,198.56

Finding the Fourth Proportional to 347,838.92, 521,992.20 and 123,198.56

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Solution

The fourth proportional to 347,838.92, 521,992.20 and 123,198.56 is: 184,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,838.92 : 521,992.20 = 123,198.56 : x
  2. Step 2: Convert to fraction form
    347,838.92/521,992.20 = 123,198.56/x
  3. Step 3: Cross multiply
    347,838.92x = 521,992.20 × 123,198.56
  4. Step 4: Simplify right side
    347,838.92x = 64,308,687,371.23
  5. Step 5: Solve for x
    x = 64,308,687,371.23/347,838.92
  6. Step 6: Final answer
    x = 184,880.66

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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.