Home / 144,464.94-199,350.78-80,790.44

Finding the Fourth Proportional to 144,464.94, 199,350.78 and 80,790.44

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Solution

The fourth proportional to 144,464.94, 199,350.78 and 80,790.44 is: 111,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,464.94 : 199,350.78 = 80,790.44 : x
  2. Step 2: Convert to fraction form
    144,464.94/199,350.78 = 80,790.44/x
  3. Step 3: Cross multiply
    144,464.94x = 199,350.78 × 80,790.44
  4. Step 4: Simplify right side
    144,464.94x = 16,105,636,233.79
  5. Step 5: Solve for x
    x = 16,105,636,233.79/144,464.94
  6. Step 6: Final answer
    x = 111,484.74

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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.