Home / 198,255.50-273,588.26-107,611.64

Finding the Fourth Proportional to 198,255.50, 273,588.26 and 107,611.64

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Solution

The fourth proportional to 198,255.50, 273,588.26 and 107,611.64 is: 148,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,255.50 : 273,588.26 = 107,611.64 : x
  2. Step 2: Convert to fraction form
    198,255.50/273,588.26 = 107,611.64/x
  3. Step 3: Cross multiply
    198,255.50x = 273,588.26 × 107,611.64
  4. Step 4: Simplify right side
    198,255.50x = 29,441,281,343.35
  5. Step 5: Solve for x
    x = 29,441,281,343.35/198,255.50
  6. Step 6: Final answer
    x = 148,501.71

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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.