Home / 143,418.46-197,894.19-79,754.62

Finding the Fourth Proportional to 143,418.46, 197,894.19 and 79,754.62

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Solution

The fourth proportional to 143,418.46, 197,894.19 and 79,754.62 is: 110,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,418.46 : 197,894.19 = 79,754.62 : x
  2. Step 2: Convert to fraction form
    143,418.46/197,894.19 = 79,754.62/x
  3. Step 3: Cross multiply
    143,418.46x = 197,894.19 × 79,754.62
  4. Step 4: Simplify right side
    143,418.46x = 15,782,975,923.66
  5. Step 5: Solve for x
    x = 15,782,975,923.66/143,418.46
  6. Step 6: Final answer
    x = 110,048.43

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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.