Home / 133,840.04-200,789.76-40,339.04

Finding the Fourth Proportional to 133,840.04, 200,789.76 and 40,339.04

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Solution

The fourth proportional to 133,840.04, 200,789.76 and 40,339.04 is: 60,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,840.04 : 200,789.76 = 40,339.04 : x
  2. Step 2: Convert to fraction form
    133,840.04/200,789.76 = 40,339.04/x
  3. Step 3: Cross multiply
    133,840.04x = 200,789.76 × 40,339.04
  4. Step 4: Simplify right side
    133,840.04x = 8,099,666,160.23
  5. Step 5: Solve for x
    x = 8,099,666,160.23/133,840.04
  6. Step 6: Final answer
    x = 60,517.51

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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.