Home / 147,933.20-222,045.60-73,137.80

Finding the Fourth Proportional to 147,933.20, 222,045.60 and 73,137.80

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Solution

The fourth proportional to 147,933.20, 222,045.60 and 73,137.80 is: 109,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,933.20 : 222,045.60 = 73,137.80 : x
  2. Step 2: Convert to fraction form
    147,933.20/222,045.60 = 73,137.80/x
  3. Step 3: Cross multiply
    147,933.20x = 222,045.60 × 73,137.80
  4. Step 4: Simplify right side
    147,933.20x = 16,239,926,683.68
  5. Step 5: Solve for x
    x = 16,239,926,683.68/147,933.20
  6. Step 6: Final answer
    x = 109,778.78

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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.