Home / 146,811.70-220,217.55-53,305.30

Finding the Fourth Proportional to 146,811.70, 220,217.55 and 53,305.30

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Solution

The fourth proportional to 146,811.70, 220,217.55 and 53,305.30 is: 79,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,811.70 : 220,217.55 = 53,305.30 : x
  2. Step 2: Convert to fraction form
    146,811.70/220,217.55 = 53,305.30/x
  3. Step 3: Cross multiply
    146,811.70x = 220,217.55 × 53,305.30
  4. Step 4: Simplify right side
    146,811.70x = 11,738,762,568.02
  5. Step 5: Solve for x
    x = 11,738,762,568.02/146,811.70
  6. Step 6: Final answer
    x = 79,957.95

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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.