Home / 215,183.40-322,544.70-96,834.60

Finding the Fourth Proportional to 215,183.40, 322,544.70 and 96,834.60

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Solution

The fourth proportional to 215,183.40, 322,544.70 and 96,834.60 is: 145,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,183.40 : 322,544.70 = 96,834.60 : x
  2. Step 2: Convert to fraction form
    215,183.40/322,544.70 = 96,834.60/x
  3. Step 3: Cross multiply
    215,183.40x = 322,544.70 × 96,834.60
  4. Step 4: Simplify right side
    215,183.40x = 31,233,487,006.62
  5. Step 5: Solve for x
    x = 31,233,487,006.62/215,183.40
  6. Step 6: Final answer
    x = 145,148.22

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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.