Home / 171,577.44-236,790-107,969.76

Finding the Fourth Proportional to 171,577.44, 236,790 and 107,969.76

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Solution

The fourth proportional to 171,577.44, 236,790 and 107,969.76 is: 149,006.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,577.44 : 236,790 = 107,969.76 : x
  2. Step 2: Convert to fraction form
    171,577.44/236,790 = 107,969.76/x
  3. Step 3: Cross multiply
    171,577.44x = 236,790 × 107,969.76
  4. Step 4: Simplify right side
    171,577.44x = 25,566,159,470.40
  5. Step 5: Solve for x
    x = 25,566,159,470.40/171,577.44
  6. Step 6: Final answer
    x = 149,006.53

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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.