Home / 154,570.80-231,856.74-54,731.04

Finding the Fourth Proportional to 154,570.80, 231,856.74 and 54,731.04

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Solution

The fourth proportional to 154,570.80, 231,856.74 and 54,731.04 is: 82,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,570.80 : 231,856.74 = 54,731.04 : x
  2. Step 2: Convert to fraction form
    154,570.80/231,856.74 = 54,731.04/x
  3. Step 3: Cross multiply
    154,570.80x = 231,856.74 × 54,731.04
  4. Step 4: Simplify right side
    154,570.80x = 12,689,760,511.21
  5. Step 5: Solve for x
    x = 12,689,760,511.21/154,570.80
  6. Step 6: Final answer
    x = 82,096.75

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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.