Home / 148,558.38-204,944.22-88,131.60

Finding the Fourth Proportional to 148,558.38, 204,944.22 and 88,131.60

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Solution

The fourth proportional to 148,558.38, 204,944.22 and 88,131.60 is: 121,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,558.38 : 204,944.22 = 88,131.60 : x
  2. Step 2: Convert to fraction form
    148,558.38/204,944.22 = 88,131.60/x
  3. Step 3: Cross multiply
    148,558.38x = 204,944.22 × 88,131.60
  4. Step 4: Simplify right side
    148,558.38x = 18,062,062,019.35
  5. Step 5: Solve for x
    x = 18,062,062,019.35/148,558.38
  6. Step 6: Final answer
    x = 121,582.25

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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.