Home / 117,969.21-162,833.09-80,265.33

Finding the Fourth Proportional to 117,969.21, 162,833.09 and 80,265.33

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Solution

The fourth proportional to 117,969.21, 162,833.09 and 80,265.33 is: 110,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,969.21 : 162,833.09 = 80,265.33 : x
  2. Step 2: Convert to fraction form
    117,969.21/162,833.09 = 80,265.33/x
  3. Step 3: Cross multiply
    117,969.21x = 162,833.09 × 80,265.33
  4. Step 4: Simplify right side
    117,969.21x = 13,069,851,302.44
  5. Step 5: Solve for x
    x = 13,069,851,302.44/117,969.21
  6. Step 6: Final answer
    x = 110,790.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.