Home / 146,729.20-220,180.20-53,244.40

Finding the Fourth Proportional to 146,729.20, 220,180.20 and 53,244.40

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Solution

The fourth proportional to 146,729.20, 220,180.20 and 53,244.40 is: 79,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,729.20 : 220,180.20 = 53,244.40 : x
  2. Step 2: Convert to fraction form
    146,729.20/220,180.20 = 53,244.40/x
  3. Step 3: Cross multiply
    146,729.20x = 220,180.20 × 53,244.40
  4. Step 4: Simplify right side
    146,729.20x = 11,723,362,640.88
  5. Step 5: Solve for x
    x = 11,723,362,640.88/146,729.20
  6. Step 6: Final answer
    x = 79,897.95

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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.