Home / 146,680.28-220,021.26-53,183.60

Finding the Fourth Proportional to 146,680.28, 220,021.26 and 53,183.60

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Solution

The fourth proportional to 146,680.28, 220,021.26 and 53,183.60 is: 79,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,680.28 : 220,021.26 = 53,183.60 : x
  2. Step 2: Convert to fraction form
    146,680.28/220,021.26 = 53,183.60/x
  3. Step 3: Cross multiply
    146,680.28x = 220,021.26 × 53,183.60
  4. Step 4: Simplify right side
    146,680.28x = 11,701,522,683.34
  5. Step 5: Solve for x
    x = 11,701,522,683.34/146,680.28
  6. Step 6: Final answer
    x = 79,775.70

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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.