Home / 204,140.80-305,900.16-104,296.96

Finding the Fourth Proportional to 204,140.80, 305,900.16 and 104,296.96

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Solution

The fourth proportional to 204,140.80, 305,900.16 and 104,296.96 is: 156,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,140.80 : 305,900.16 = 104,296.96 : x
  2. Step 2: Convert to fraction form
    204,140.80/305,900.16 = 104,296.96/x
  3. Step 3: Cross multiply
    204,140.80x = 305,900.16 × 104,296.96
  4. Step 4: Simplify right side
    204,140.80x = 31,904,456,751.51
  5. Step 5: Solve for x
    x = 31,904,456,751.51/204,140.80
  6. Step 6: Final answer
    x = 156,286.53

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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.