Home / 198,760.17-274,295.78-113,893.63

Finding the Fourth Proportional to 198,760.17, 274,295.78 and 113,893.63

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Solution

The fourth proportional to 198,760.17, 274,295.78 and 113,893.63 is: 157,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,760.17 : 274,295.78 = 113,893.63 : x
  2. Step 2: Convert to fraction form
    198,760.17/274,295.78 = 113,893.63/x
  3. Step 3: Cross multiply
    198,760.17x = 274,295.78 × 113,893.63
  4. Step 4: Simplify right side
    198,760.17x = 31,240,542,077.88
  5. Step 5: Solve for x
    x = 31,240,542,077.88/198,760.17
  6. Step 6: Final answer
    x = 157,177.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.