Home / 231,175.62-318,524.40-155,592.90

Finding the Fourth Proportional to 231,175.62, 318,524.40 and 155,592.90

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Solution

The fourth proportional to 231,175.62, 318,524.40 and 155,592.90 is: 214,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,175.62 : 318,524.40 = 155,592.90 : x
  2. Step 2: Convert to fraction form
    231,175.62/318,524.40 = 155,592.90/x
  3. Step 3: Cross multiply
    231,175.62x = 318,524.40 × 155,592.90
  4. Step 4: Simplify right side
    231,175.62x = 49,560,135,116.76
  5. Step 5: Solve for x
    x = 49,560,135,116.76/231,175.62
  6. Step 6: Final answer
    x = 214,383.05

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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.