Home / 193,375.18-290,076.73-80,942.26

Finding the Fourth Proportional to 193,375.18, 290,076.73 and 80,942.26

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Solution

The fourth proportional to 193,375.18, 290,076.73 and 80,942.26 is: 121,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,375.18 : 290,076.73 = 80,942.26 : x
  2. Step 2: Convert to fraction form
    193,375.18/290,076.73 = 80,942.26/x
  3. Step 3: Cross multiply
    193,375.18x = 290,076.73 × 80,942.26
  4. Step 4: Simplify right side
    193,375.18x = 23,479,466,099.61
  5. Step 5: Solve for x
    x = 23,479,466,099.61/193,375.18
  6. Step 6: Final answer
    x = 121,419.23

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1.5x scale

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.