Home / 148,891.83-205,470.57-80,908.64

Finding the Fourth Proportional to 148,891.83, 205,470.57 and 80,908.64

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Solution

The fourth proportional to 148,891.83, 205,470.57 and 80,908.64 is: 111,653.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,891.83 : 205,470.57 = 80,908.64 : x
  2. Step 2: Convert to fraction form
    148,891.83/205,470.57 = 80,908.64/x
  3. Step 3: Cross multiply
    148,891.83x = 205,470.57 × 80,908.64
  4. Step 4: Simplify right side
    148,891.83x = 16,624,344,378.72
  5. Step 5: Solve for x
    x = 16,624,344,378.72/148,891.83
  6. Step 6: Final answer
    x = 111,653.84

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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.