Home / 165,795.80-248,628.06-72,236.12

Finding the Fourth Proportional to 165,795.80, 248,628.06 and 72,236.12

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Solution

The fourth proportional to 165,795.80, 248,628.06 and 72,236.12 is: 108,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,795.80 : 248,628.06 = 72,236.12 : x
  2. Step 2: Convert to fraction form
    165,795.80/248,628.06 = 72,236.12/x
  3. Step 3: Cross multiply
    165,795.80x = 248,628.06 × 72,236.12
  4. Step 4: Simplify right side
    165,795.80x = 17,959,926,377.53
  5. Step 5: Solve for x
    x = 17,959,926,377.53/165,795.80
  6. Step 6: Final answer
    x = 108,325.58

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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.