Home / 203,947.94-305,890.29-104,181.86

Finding the Fourth Proportional to 203,947.94, 305,890.29 and 104,181.86

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Solution

The fourth proportional to 203,947.94, 305,890.29 and 104,181.86 is: 156,256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,947.94 : 305,890.29 = 104,181.86 : x
  2. Step 2: Convert to fraction form
    203,947.94/305,890.29 = 104,181.86/x
  3. Step 3: Cross multiply
    203,947.94x = 305,890.29 × 104,181.86
  4. Step 4: Simplify right side
    203,947.94x = 31,868,217,838.69
  5. Step 5: Solve for x
    x = 31,868,217,838.69/203,947.94
  6. Step 6: Final answer
    x = 156,256.63

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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.