Home / 264,315.12-396,261.24-137,891.92

Finding the Fourth Proportional to 264,315.12, 396,261.24 and 137,891.92

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Solution

The fourth proportional to 264,315.12, 396,261.24 and 137,891.92 is: 206,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,315.12 : 396,261.24 = 137,891.92 : x
  2. Step 2: Convert to fraction form
    264,315.12/396,261.24 = 137,891.92/x
  3. Step 3: Cross multiply
    264,315.12x = 396,261.24 × 137,891.92
  4. Step 4: Simplify right side
    264,315.12x = 54,641,223,205.18
  5. Step 5: Solve for x
    x = 54,641,223,205.18/264,315.12
  6. Step 6: Final answer
    x = 206,727.57

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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.