Home / 204,976.96-307,449.03-91,160.01

Finding the Fourth Proportional to 204,976.96, 307,449.03 and 91,160.01

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Solution

The fourth proportional to 204,976.96, 307,449.03 and 91,160.01 is: 136,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,976.96 : 307,449.03 = 91,160.01 : x
  2. Step 2: Convert to fraction form
    204,976.96/307,449.03 = 91,160.01/x
  3. Step 3: Cross multiply
    204,976.96x = 307,449.03 × 91,160.01
  4. Step 4: Simplify right side
    204,976.96x = 28,027,056,649.29
  5. Step 5: Solve for x
    x = 28,027,056,649.29/204,976.96
  6. Step 6: Final answer
    x = 136,732.72

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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.