Home / 220,269.06-330,375.30-70,496.82

Finding the Fourth Proportional to 220,269.06, 330,375.30 and 70,496.82

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Solution

The fourth proportional to 220,269.06, 330,375.30 and 70,496.82 is: 105,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,269.06 : 330,375.30 = 70,496.82 : x
  2. Step 2: Convert to fraction form
    220,269.06/330,375.30 = 70,496.82/x
  3. Step 3: Cross multiply
    220,269.06x = 330,375.30 × 70,496.82
  4. Step 4: Simplify right side
    220,269.06x = 23,290,408,056.55
  5. Step 5: Solve for x
    x = 23,290,408,056.55/220,269.06
  6. Step 6: Final answer
    x = 105,736.18

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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.