Home / 143,754.84-198,381.24-80,092.08

Finding the Fourth Proportional to 143,754.84, 198,381.24 and 80,092.08

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Solution

The fourth proportional to 143,754.84, 198,381.24 and 80,092.08 is: 110,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,754.84 : 198,381.24 = 80,092.08 : x
  2. Step 2: Convert to fraction form
    143,754.84/198,381.24 = 80,092.08/x
  3. Step 3: Cross multiply
    143,754.84x = 198,381.24 × 80,092.08
  4. Step 4: Simplify right side
    143,754.84x = 15,888,766,144.58
  5. Step 5: Solve for x
    x = 15,888,766,144.58/143,754.84
  6. Step 6: Final answer
    x = 110,526.83

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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.