Home / 144,024.68-198,753.30-80,362.36

Finding the Fourth Proportional to 144,024.68, 198,753.30 and 80,362.36

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Solution

The fourth proportional to 144,024.68, 198,753.30 and 80,362.36 is: 110,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,024.68 : 198,753.30 = 80,362.36 : x
  2. Step 2: Convert to fraction form
    144,024.68/198,753.30 = 80,362.36/x
  3. Step 3: Cross multiply
    144,024.68x = 198,753.30 × 80,362.36
  4. Step 4: Simplify right side
    144,024.68x = 15,972,284,245.79
  5. Step 5: Solve for x
    x = 15,972,284,245.79/144,024.68
  6. Step 6: Final answer
    x = 110,899.63

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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.