Home / 203,942.15-305,919.25-97,337.33

Finding the Fourth Proportional to 203,942.15, 305,919.25 and 97,337.33

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Solution

The fourth proportional to 203,942.15, 305,919.25 and 97,337.33 is: 146,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,942.15 : 305,919.25 = 97,337.33 : x
  2. Step 2: Convert to fraction form
    203,942.15/305,919.25 = 97,337.33/x
  3. Step 3: Cross multiply
    203,942.15x = 305,919.25 × 97,337.33
  4. Step 4: Simplify right side
    203,942.15x = 29,777,363,512.06
  5. Step 5: Solve for x
    x = 29,777,363,512.06/203,942.15
  6. Step 6: Final answer
    x = 146,008.88

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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.