Home / 264,227.72-396,382.90-86,694.36

Finding the Fourth Proportional to 264,227.72, 396,382.90 and 86,694.36

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Solution

The fourth proportional to 264,227.72, 396,382.90 and 86,694.36 is: 130,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,227.72 : 396,382.90 = 86,694.36 : x
  2. Step 2: Convert to fraction form
    264,227.72/396,382.90 = 86,694.36/x
  3. Step 3: Cross multiply
    264,227.72x = 396,382.90 × 86,694.36
  4. Step 4: Simplify right side
    264,227.72x = 34,364,161,830.44
  5. Step 5: Solve for x
    x = 34,364,161,830.44/264,227.72
  6. Step 6: Final answer
    x = 130,055.10

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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.