Home / 133,039.24-199,635.60-73,869.95

Finding the Fourth Proportional to 133,039.24, 199,635.60 and 73,869.95

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Solution

The fourth proportional to 133,039.24, 199,635.60 and 73,869.95 is: 110,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,039.24 : 199,635.60 = 73,869.95 : x
  2. Step 2: Convert to fraction form
    133,039.24/199,635.60 = 73,869.95/x
  3. Step 3: Cross multiply
    133,039.24x = 199,635.60 × 73,869.95
  4. Step 4: Simplify right side
    133,039.24x = 14,747,072,566.32
  5. Step 5: Solve for x
    x = 14,747,072,566.32/133,039.24
  6. Step 6: Final answer
    x = 110,847.54

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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.