Home / 176,120.69-263,977.59-81,152.33

Finding the Fourth Proportional to 176,120.69, 263,977.59 and 81,152.33

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Solution

The fourth proportional to 176,120.69, 263,977.59 and 81,152.33 is: 121,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,120.69 : 263,977.59 = 81,152.33 : x
  2. Step 2: Convert to fraction form
    176,120.69/263,977.59 = 81,152.33/x
  3. Step 3: Cross multiply
    176,120.69x = 263,977.59 × 81,152.33
  4. Step 4: Simplify right side
    176,120.69x = 21,422,396,496.28
  5. Step 5: Solve for x
    x = 21,422,396,496.28/176,120.69
  6. Step 6: Final answer
    x = 121,634.75

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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.