Home / 146,780.70-220,257.45-53,274.30

Finding the Fourth Proportional to 146,780.70, 220,257.45 and 53,274.30

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Solution

The fourth proportional to 146,780.70, 220,257.45 and 53,274.30 is: 79,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,780.70 : 220,257.45 = 53,274.30 : x
  2. Step 2: Convert to fraction form
    146,780.70/220,257.45 = 53,274.30/x
  3. Step 3: Cross multiply
    146,780.70x = 220,257.45 × 53,274.30
  4. Step 4: Simplify right side
    146,780.70x = 11,734,061,468.54
  5. Step 5: Solve for x
    x = 11,734,061,468.54/146,780.70
  6. Step 6: Final answer
    x = 79,942.81

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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.