Home / 165,796.30-248,628.80-72,236.62

Finding the Fourth Proportional to 165,796.30, 248,628.80 and 72,236.62

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Solution

The fourth proportional to 165,796.30, 248,628.80 and 72,236.62 is: 108,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,796.30 : 248,628.80 = 72,236.62 : x
  2. Step 2: Convert to fraction form
    165,796.30/248,628.80 = 72,236.62/x
  3. Step 3: Cross multiply
    165,796.30x = 248,628.80 × 72,236.62
  4. Step 4: Simplify right side
    165,796.30x = 17,960,104,146.66
  5. Step 5: Solve for x
    x = 17,960,104,146.66/165,796.30
  6. Step 6: Final answer
    x = 108,326.33

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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.