Home / 147,074.62-220,568.10-53,558.50

Finding the Fourth Proportional to 147,074.62, 220,568.10 and 53,558.50

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Solution

The fourth proportional to 147,074.62, 220,568.10 and 53,558.50 is: 80,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,074.62 : 220,568.10 = 53,558.50 : x
  2. Step 2: Convert to fraction form
    147,074.62/220,568.10 = 53,558.50/x
  3. Step 3: Cross multiply
    147,074.62x = 220,568.10 × 53,558.50
  4. Step 4: Simplify right side
    147,074.62x = 11,813,296,583.85
  5. Step 5: Solve for x
    x = 11,813,296,583.85/147,074.62
  6. Step 6: Final answer
    x = 80,321.79

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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.