Home / 168,156.50-231,924.69-107,732.75

Finding the Fourth Proportional to 168,156.50, 231,924.69 and 107,732.75

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Solution

The fourth proportional to 168,156.50, 231,924.69 and 107,732.75 is: 148,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,156.50 : 231,924.69 = 107,732.75 : x
  2. Step 2: Convert to fraction form
    168,156.50/231,924.69 = 107,732.75/x
  3. Step 3: Cross multiply
    168,156.50x = 231,924.69 × 107,732.75
  4. Step 4: Simplify right side
    168,156.50x = 24,985,883,486.97
  5. Step 5: Solve for x
    x = 24,985,883,486.97/168,156.50
  6. Step 6: Final answer
    x = 148,587.09

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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.