Home / 263,561.38-395,366.37-86,069.32

Finding the Fourth Proportional to 263,561.38, 395,366.37 and 86,069.32

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Solution

The fourth proportional to 263,561.38, 395,366.37 and 86,069.32 is: 129,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,561.38 : 395,366.37 = 86,069.32 : x
  2. Step 2: Convert to fraction form
    263,561.38/395,366.37 = 86,069.32/x
  3. Step 3: Cross multiply
    263,561.38x = 395,366.37 × 86,069.32
  4. Step 4: Simplify right side
    263,561.38x = 34,028,913,305.59
  5. Step 5: Solve for x
    x = 34,028,913,305.59/263,561.38
  6. Step 6: Final answer
    x = 129,111.91

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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.