Home / 147,942.20-222,059.10-73,146.80

Finding the Fourth Proportional to 147,942.20, 222,059.10 and 73,146.80

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Solution

The fourth proportional to 147,942.20, 222,059.10 and 73,146.80 is: 109,792.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,942.20 : 222,059.10 = 73,146.80 : x
  2. Step 2: Convert to fraction form
    147,942.20/222,059.10 = 73,146.80/x
  3. Step 3: Cross multiply
    147,942.20x = 222,059.10 × 73,146.80
  4. Step 4: Simplify right side
    147,942.20x = 16,242,912,575.88
  5. Step 5: Solve for x
    x = 16,242,912,575.88/147,942.20
  6. Step 6: Final answer
    x = 109,792.29

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1.5x scale

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.