Home / 148,168.10-204,470.38-80,183.57

Finding the Fourth Proportional to 148,168.10, 204,470.38 and 80,183.57

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Solution

The fourth proportional to 148,168.10, 204,470.38 and 80,183.57 is: 110,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,168.10 : 204,470.38 = 80,183.57 : x
  2. Step 2: Convert to fraction form
    148,168.10/204,470.38 = 80,183.57/x
  3. Step 3: Cross multiply
    148,168.10x = 204,470.38 × 80,183.57
  4. Step 4: Simplify right side
    148,168.10x = 16,395,163,804.85
  5. Step 5: Solve for x
    x = 16,395,163,804.85/148,168.10
  6. Step 6: Final answer
    x = 110,652.46

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1.5x scale

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.