Home / 119,093.20-178,640.76-43,245.36

Finding the Fourth Proportional to 119,093.20, 178,640.76 and 43,245.36

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Solution

The fourth proportional to 119,093.20, 178,640.76 and 43,245.36 is: 64,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,093.20 : 178,640.76 = 43,245.36 : x
  2. Step 2: Convert to fraction form
    119,093.20/178,640.76 = 43,245.36/x
  3. Step 3: Cross multiply
    119,093.20x = 178,640.76 × 43,245.36
  4. Step 4: Simplify right side
    119,093.20x = 7,725,383,976.87
  5. Step 5: Solve for x
    x = 7,725,383,976.87/119,093.20
  6. Step 6: Final answer
    x = 64,868.39

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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.