Home / 175,872.39-263,808.69-123,515.61

Finding the Fourth Proportional to 175,872.39, 263,808.69 and 123,515.61

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Solution

The fourth proportional to 175,872.39, 263,808.69 and 123,515.61 is: 185,273.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,872.39 : 263,808.69 = 123,515.61 : x
  2. Step 2: Convert to fraction form
    175,872.39/263,808.69 = 123,515.61/x
  3. Step 3: Cross multiply
    175,872.39x = 263,808.69 × 123,515.61
  4. Step 4: Simplify right side
    175,872.39x = 32,584,491,268.65
  5. Step 5: Solve for x
    x = 32,584,491,268.65/175,872.39
  6. Step 6: Final answer
    x = 185,273.49

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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.