Home / 199,236.43-298,890.15-66,124.54

Finding the Fourth Proportional to 199,236.43, 298,890.15 and 66,124.54

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Solution

The fourth proportional to 199,236.43, 298,890.15 and 66,124.54 is: 99,198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,236.43 : 298,890.15 = 66,124.54 : x
  2. Step 2: Convert to fraction form
    199,236.43/298,890.15 = 66,124.54/x
  3. Step 3: Cross multiply
    199,236.43x = 298,890.15 × 66,124.54
  4. Step 4: Simplify right side
    199,236.43x = 19,763,973,679.28
  5. Step 5: Solve for x
    x = 19,763,973,679.28/199,236.43
  6. Step 6: Final answer
    x = 99,198.59

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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.