Home / 176,115.69-263,970.09-81,147.33

Finding the Fourth Proportional to 176,115.69, 263,970.09 and 81,147.33

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Solution

The fourth proportional to 176,115.69, 263,970.09 and 81,147.33 is: 121,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,115.69 : 263,970.09 = 81,147.33 : x
  2. Step 2: Convert to fraction form
    176,115.69/263,970.09 = 81,147.33/x
  3. Step 3: Cross multiply
    176,115.69x = 263,970.09 × 81,147.33
  4. Step 4: Simplify right side
    176,115.69x = 21,420,468,003.36
  5. Step 5: Solve for x
    x = 21,420,468,003.36/176,115.69
  6. Step 6: Final answer
    x = 121,627.26

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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.