Home / 188,945.09-260,724.92-116,336.46

Finding the Fourth Proportional to 188,945.09, 260,724.92 and 116,336.46

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Solution

The fourth proportional to 188,945.09, 260,724.92 and 116,336.46 is: 160,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,945.09 : 260,724.92 = 116,336.46 : x
  2. Step 2: Convert to fraction form
    188,945.09/260,724.92 = 116,336.46/x
  3. Step 3: Cross multiply
    188,945.09x = 260,724.92 × 116,336.46
  4. Step 4: Simplify right side
    188,945.09x = 30,331,813,644.90
  5. Step 5: Solve for x
    x = 30,331,813,644.90/188,945.09
  6. Step 6: Final answer
    x = 160,532.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.