Home / 144,310.68-199,157.58-80,653.56

Finding the Fourth Proportional to 144,310.68, 199,157.58 and 80,653.56

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Solution

The fourth proportional to 144,310.68, 199,157.58 and 80,653.56 is: 111,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,310.68 : 199,157.58 = 80,653.56 : x
  2. Step 2: Convert to fraction form
    144,310.68/199,157.58 = 80,653.56/x
  3. Step 3: Cross multiply
    144,310.68x = 199,157.58 × 80,653.56
  4. Step 4: Simplify right side
    144,310.68x = 16,062,767,827.98
  5. Step 5: Solve for x
    x = 16,062,767,827.98/144,310.68
  6. Step 6: Final answer
    x = 111,306.85

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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.