Home / 133,068.07-199,626.41-80,414.83

Finding the Fourth Proportional to 133,068.07, 199,626.41 and 80,414.83

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Solution

The fourth proportional to 133,068.07, 199,626.41 and 80,414.83 is: 120,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,068.07 : 199,626.41 = 80,414.83 : x
  2. Step 2: Convert to fraction form
    133,068.07/199,626.41 = 80,414.83/x
  3. Step 3: Cross multiply
    133,068.07x = 199,626.41 × 80,414.83
  4. Step 4: Simplify right side
    133,068.07x = 16,052,923,823.66
  5. Step 5: Solve for x
    x = 16,052,923,823.66/133,068.07
  6. Step 6: Final answer
    x = 120,636.93

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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.