Home / 144,162.18-198,943.97-80,499.96

Finding the Fourth Proportional to 144,162.18, 198,943.97 and 80,499.96

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Solution

The fourth proportional to 144,162.18, 198,943.97 and 80,499.96 is: 111,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,162.18 : 198,943.97 = 80,499.96 : x
  2. Step 2: Convert to fraction form
    144,162.18/198,943.97 = 80,499.96/x
  3. Step 3: Cross multiply
    144,162.18x = 198,943.97 × 80,499.96
  4. Step 4: Simplify right side
    144,162.18x = 16,014,981,224.74
  5. Step 5: Solve for x
    x = 16,014,981,224.74/144,162.18
  6. Step 6: Final answer
    x = 111,090.03

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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.