Home / 144,288.41-199,117.24-80,625.65

Finding the Fourth Proportional to 144,288.41, 199,117.24 and 80,625.65

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Solution

The fourth proportional to 144,288.41, 199,117.24 and 80,625.65 is: 111,262.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,288.41 : 199,117.24 = 80,625.65 : x
  2. Step 2: Convert to fraction form
    144,288.41/199,117.24 = 80,625.65/x
  3. Step 3: Cross multiply
    144,288.41x = 199,117.24 × 80,625.65
  4. Step 4: Simplify right side
    144,288.41x = 16,053,955,704.06
  5. Step 5: Solve for x
    x = 16,053,955,704.06/144,288.41
  6. Step 6: Final answer
    x = 111,262.96

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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.