Home / 133,835.52-200,763-40,348.56

Finding the Fourth Proportional to 133,835.52, 200,763 and 40,348.56

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Solution

The fourth proportional to 133,835.52, 200,763 and 40,348.56 is: 60,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,835.52 : 200,763 = 40,348.56 : x
  2. Step 2: Convert to fraction form
    133,835.52/200,763 = 40,348.56/x
  3. Step 3: Cross multiply
    133,835.52x = 200,763 × 40,348.56
  4. Step 4: Simplify right side
    133,835.52x = 8,100,497,951.28
  5. Step 5: Solve for x
    x = 8,100,497,951.28/133,835.52
  6. Step 6: Final answer
    x = 60,525.77

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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.