Home / 144,364.08-199,226.88-80,704.56

Finding the Fourth Proportional to 144,364.08, 199,226.88 and 80,704.56

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Solution

The fourth proportional to 144,364.08, 199,226.88 and 80,704.56 is: 111,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,364.08 : 199,226.88 = 80,704.56 : x
  2. Step 2: Convert to fraction form
    144,364.08/199,226.88 = 80,704.56/x
  3. Step 3: Cross multiply
    144,364.08x = 199,226.88 × 80,704.56
  4. Step 4: Simplify right side
    144,364.08x = 16,078,517,690.57
  5. Step 5: Solve for x
    x = 16,078,517,690.57/144,364.08
  6. Step 6: Final answer
    x = 111,374.78

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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.