Home / 179,186.55-268,592.30-66,821.56

Finding the Fourth Proportional to 179,186.55, 268,592.30 and 66,821.56

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Solution

The fourth proportional to 179,186.55, 268,592.30 and 66,821.56 is: 100,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,186.55 : 268,592.30 = 66,821.56 : x
  2. Step 2: Convert to fraction form
    179,186.55/268,592.30 = 66,821.56/x
  3. Step 3: Cross multiply
    179,186.55x = 268,592.30 × 66,821.56
  4. Step 4: Simplify right side
    179,186.55x = 17,947,757,810.54
  5. Step 5: Solve for x
    x = 17,947,757,810.54/179,186.55
  6. Step 6: Final answer
    x = 100,162.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.