Home / 148,382.12-204,768.14-80,399.14

Finding the Fourth Proportional to 148,382.12, 204,768.14 and 80,399.14

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Solution

The fourth proportional to 148,382.12, 204,768.14 and 80,399.14 is: 110,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,382.12 : 204,768.14 = 80,399.14 : x
  2. Step 2: Convert to fraction form
    148,382.12/204,768.14 = 80,399.14/x
  3. Step 3: Cross multiply
    148,382.12x = 204,768.14 × 80,399.14
  4. Step 4: Simplify right side
    148,382.12x = 16,463,182,355.40
  5. Step 5: Solve for x
    x = 16,463,182,355.40/148,382.12
  6. Step 6: Final answer
    x = 110,951.25

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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.