Home / 203,945.49-305,886.63-104,179.41

Finding the Fourth Proportional to 203,945.49, 305,886.63 and 104,179.41

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Solution

The fourth proportional to 203,945.49, 305,886.63 and 104,179.41 is: 156,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,945.49 : 305,886.63 = 104,179.41 : x
  2. Step 2: Convert to fraction form
    203,945.49/305,886.63 = 104,179.41/x
  3. Step 3: Cross multiply
    203,945.49x = 305,886.63 × 104,179.41
  4. Step 4: Simplify right side
    203,945.49x = 31,867,088,640.29
  5. Step 5: Solve for x
    x = 31,867,088,640.29/203,945.49
  6. Step 6: Final answer
    x = 156,252.97

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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.