Home / 144,380.53-199,239.39-79,845.58

Finding the Fourth Proportional to 144,380.53, 199,239.39 and 79,845.58

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Solution

The fourth proportional to 144,380.53, 199,239.39 and 79,845.58 is: 110,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,380.53 : 199,239.39 = 79,845.58 : x
  2. Step 2: Convert to fraction form
    144,380.53/199,239.39 = 79,845.58/x
  3. Step 3: Cross multiply
    144,380.53x = 199,239.39 × 79,845.58
  4. Step 4: Simplify right side
    144,380.53x = 15,908,384,653.40
  5. Step 5: Solve for x
    x = 15,908,384,653.40/144,380.53
  6. Step 6: Final answer
    x = 110,183.73

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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.