Home / 198,440.15-273,839.55-117,865.54

Finding the Fourth Proportional to 198,440.15, 273,839.55 and 117,865.54

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Solution

The fourth proportional to 198,440.15, 273,839.55 and 117,865.54 is: 162,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,440.15 : 273,839.55 = 117,865.54 : x
  2. Step 2: Convert to fraction form
    198,440.15/273,839.55 = 117,865.54/x
  3. Step 3: Cross multiply
    198,440.15x = 273,839.55 × 117,865.54
  4. Step 4: Simplify right side
    198,440.15x = 32,276,245,064.91
  5. Step 5: Solve for x
    x = 32,276,245,064.91/198,440.15
  6. Step 6: Final answer
    x = 162,649.77

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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.