Home / 165,662.46-248,517.12-53,316.54

Finding the Fourth Proportional to 165,662.46, 248,517.12 and 53,316.54

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Solution

The fourth proportional to 165,662.46, 248,517.12 and 53,316.54 is: 79,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,662.46 : 248,517.12 = 53,316.54 : x
  2. Step 2: Convert to fraction form
    165,662.46/248,517.12 = 53,316.54/x
  3. Step 3: Cross multiply
    165,662.46x = 248,517.12 × 53,316.54
  4. Step 4: Simplify right side
    165,662.46x = 13,250,072,969.16
  5. Step 5: Solve for x
    x = 13,250,072,969.16/165,662.46
  6. Step 6: Final answer
    x = 79,982.35

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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.