Home / 168,161.00-231,930.90-107,737.25

Finding the Fourth Proportional to 168,161.00, 231,930.90 and 107,737.25

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Solution

The fourth proportional to 168,161.00, 231,930.90 and 107,737.25 is: 148,593.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,161.00 : 231,930.90 = 107,737.25 : x
  2. Step 2: Convert to fraction form
    168,161.00/231,930.90 = 107,737.25/x
  3. Step 3: Cross multiply
    168,161.00x = 231,930.90 × 107,737.25
  4. Step 4: Simplify right side
    168,161.00x = 24,987,596,196.37
  5. Step 5: Solve for x
    x = 24,987,596,196.37/168,161.00
  6. Step 6: Final answer
    x = 148,593.29

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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.