Home / 154,639.44-231,893.55-54,824.76

Finding the Fourth Proportional to 154,639.44, 231,893.55 and 54,824.76

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Solution

The fourth proportional to 154,639.44, 231,893.55 and 54,824.76 is: 82,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,639.44 : 231,893.55 = 54,824.76 : x
  2. Step 2: Convert to fraction form
    154,639.44/231,893.55 = 54,824.76/x
  3. Step 3: Cross multiply
    154,639.44x = 231,893.55 × 54,824.76
  4. Step 4: Simplify right side
    154,639.44x = 12,713,508,224.30
  5. Step 5: Solve for x
    x = 12,713,508,224.30/154,639.44
  6. Step 6: Final answer
    x = 82,213.88

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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.