Home / 330,542.76-495,849.36-105,822.84

Finding the Fourth Proportional to 330,542.76, 495,849.36 and 105,822.84

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Solution

The fourth proportional to 330,542.76, 495,849.36 and 105,822.84 is: 158,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,542.76 : 495,849.36 = 105,822.84 : x
  2. Step 2: Convert to fraction form
    330,542.76/495,849.36 = 105,822.84/x
  3. Step 3: Cross multiply
    330,542.76x = 495,849.36 × 105,822.84
  4. Step 4: Simplify right side
    330,542.76x = 52,472,187,487.38
  5. Step 5: Solve for x
    x = 52,472,187,487.38/330,542.76
  6. Step 6: Final answer
    x = 158,745.54

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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.