Home / 148,345.23-204,716.22-80,362.48

Finding the Fourth Proportional to 148,345.23, 204,716.22 and 80,362.48

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Solution

The fourth proportional to 148,345.23, 204,716.22 and 80,362.48 is: 110,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,345.23 : 204,716.22 = 80,362.48 : x
  2. Step 2: Convert to fraction form
    148,345.23/204,716.22 = 80,362.48/x
  3. Step 3: Cross multiply
    148,345.23x = 204,716.22 × 80,362.48
  4. Step 4: Simplify right side
    148,345.23x = 16,451,503,135.43
  5. Step 5: Solve for x
    x = 16,451,503,135.43/148,345.23
  6. Step 6: Final answer
    x = 110,900.12

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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.