Home / 148,439.80-222,638.10-43,247.80

Finding the Fourth Proportional to 148,439.80, 222,638.10 and 43,247.80

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Solution

The fourth proportional to 148,439.80, 222,638.10 and 43,247.80 is: 64,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,439.80 : 222,638.10 = 43,247.80 : x
  2. Step 2: Convert to fraction form
    148,439.80/222,638.10 = 43,247.80/x
  3. Step 3: Cross multiply
    148,439.80x = 222,638.10 × 43,247.80
  4. Step 4: Simplify right side
    148,439.80x = 9,628,608,021.18
  5. Step 5: Solve for x
    x = 9,628,608,021.18/148,439.80
  6. Step 6: Final answer
    x = 64,865.41

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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.