Home / 148,429.72-222,622.98-43,220.44

Finding the Fourth Proportional to 148,429.72, 222,622.98 and 43,220.44

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Solution

The fourth proportional to 148,429.72, 222,622.98 and 43,220.44 is: 64,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,429.72 : 222,622.98 = 43,220.44 : x
  2. Step 2: Convert to fraction form
    148,429.72/222,622.98 = 43,220.44/x
  3. Step 3: Cross multiply
    148,429.72x = 222,622.98 × 43,220.44
  4. Step 4: Simplify right side
    148,429.72x = 9,621,863,149.71
  5. Step 5: Solve for x
    x = 9,621,863,149.71/148,429.72
  6. Step 6: Final answer
    x = 64,824.37

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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.