Home / 175,069.36-262,675.32-81,517.60

Finding the Fourth Proportional to 175,069.36, 262,675.32 and 81,517.60

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Solution

The fourth proportional to 175,069.36, 262,675.32 and 81,517.60 is: 122,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,069.36 : 262,675.32 = 81,517.60 : x
  2. Step 2: Convert to fraction form
    175,069.36/262,675.32 = 81,517.60/x
  3. Step 3: Cross multiply
    175,069.36x = 262,675.32 × 81,517.60
  4. Step 4: Simplify right side
    175,069.36x = 21,412,661,665.63
  5. Step 5: Solve for x
    x = 21,412,661,665.63/175,069.36
  6. Step 6: Final answer
    x = 122,309.59

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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.