Home / 165,530.08-248,318.46-53,172.62

Finding the Fourth Proportional to 165,530.08, 248,318.46 and 53,172.62

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Solution

The fourth proportional to 165,530.08, 248,318.46 and 53,172.62 is: 79,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,530.08 : 248,318.46 = 53,172.62 : x
  2. Step 2: Convert to fraction form
    165,530.08/248,318.46 = 53,172.62/x
  3. Step 3: Cross multiply
    165,530.08x = 248,318.46 × 53,172.62
  4. Step 4: Simplify right side
    165,530.08x = 13,203,743,112.57
  5. Step 5: Solve for x
    x = 13,203,743,112.57/165,530.08
  6. Step 6: Final answer
    x = 79,766.43

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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.