Home / 148,428.72-222,621.48-43,219.44

Finding the Fourth Proportional to 148,428.72, 222,621.48 and 43,219.44

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Solution

The fourth proportional to 148,428.72, 222,621.48 and 43,219.44 is: 64,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,428.72 : 222,621.48 = 43,219.44 : x
  2. Step 2: Convert to fraction form
    148,428.72/222,621.48 = 43,219.44/x
  3. Step 3: Cross multiply
    148,428.72x = 222,621.48 × 43,219.44
  4. Step 4: Simplify right side
    148,428.72x = 9,621,575,697.57
  5. Step 5: Solve for x
    x = 9,621,575,697.57/148,428.72
  6. Step 6: Final answer
    x = 64,822.87

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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.