Home / 148,305.80-204,662.61-80,323.58

Finding the Fourth Proportional to 148,305.80, 204,662.61 and 80,323.58

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Solution

The fourth proportional to 148,305.80, 204,662.61 and 80,323.58 is: 110,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,305.80 : 204,662.61 = 80,323.58 : x
  2. Step 2: Convert to fraction form
    148,305.80/204,662.61 = 80,323.58/x
  3. Step 3: Cross multiply
    148,305.80x = 204,662.61 × 80,323.58
  4. Step 4: Simplify right side
    148,305.80x = 16,439,232,504.03
  5. Step 5: Solve for x
    x = 16,439,232,504.03/148,305.80
  6. Step 6: Final answer
    x = 110,846.87

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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.