Home / 146,537.20-202,222.62-79,469.20

Finding the Fourth Proportional to 146,537.20, 202,222.62 and 79,469.20

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Solution

The fourth proportional to 146,537.20, 202,222.62 and 79,469.20 is: 109,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,537.20 : 202,222.62 = 79,469.20 : x
  2. Step 2: Convert to fraction form
    146,537.20/202,222.62 = 79,469.20/x
  3. Step 3: Cross multiply
    146,537.20x = 202,222.62 × 79,469.20
  4. Step 4: Simplify right side
    146,537.20x = 16,070,469,833.30
  5. Step 5: Solve for x
    x = 16,070,469,833.30/146,537.20
  6. Step 6: Final answer
    x = 109,668.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.