Home / 165,485.33-248,230.74-80,046.53

Finding the Fourth Proportional to 165,485.33, 248,230.74 and 80,046.53

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Solution

The fourth proportional to 165,485.33, 248,230.74 and 80,046.53 is: 120,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,485.33 : 248,230.74 = 80,046.53 : x
  2. Step 2: Convert to fraction form
    165,485.33/248,230.74 = 80,046.53/x
  3. Step 3: Cross multiply
    165,485.33x = 248,230.74 × 80,046.53
  4. Step 4: Simplify right side
    165,485.33x = 19,870,008,976.10
  5. Step 5: Solve for x
    x = 19,870,008,976.10/165,485.33
  6. Step 6: Final answer
    x = 120,071.12

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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.