Home / 146,738.20-220,193.70-53,253.40

Finding the Fourth Proportional to 146,738.20, 220,193.70 and 53,253.40

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Solution

The fourth proportional to 146,738.20, 220,193.70 and 53,253.40 is: 79,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,738.20 : 220,193.70 = 53,253.40 : x
  2. Step 2: Convert to fraction form
    146,738.20/220,193.70 = 53,253.40/x
  3. Step 3: Cross multiply
    146,738.20x = 220,193.70 × 53,253.40
  4. Step 4: Simplify right side
    146,738.20x = 11,726,063,183.58
  5. Step 5: Solve for x
    x = 11,726,063,183.58/146,738.20
  6. Step 6: Final answer
    x = 79,911.46

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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.