Home / 204,550.40-307,128.32-125,994.24

Finding the Fourth Proportional to 204,550.40, 307,128.32 and 125,994.24

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Solution

The fourth proportional to 204,550.40, 307,128.32 and 125,994.24 is: 189,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,550.40 : 307,128.32 = 125,994.24 : x
  2. Step 2: Convert to fraction form
    204,550.40/307,128.32 = 125,994.24/x
  3. Step 3: Cross multiply
    204,550.40x = 307,128.32 × 125,994.24
  4. Step 4: Simplify right side
    204,550.40x = 38,696,399,260.88
  5. Step 5: Solve for x
    x = 38,696,399,260.88/204,550.40
  6. Step 6: Final answer
    x = 189,177.82

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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.