Home / 165,896.10-248,783.40-53,605.80

Finding the Fourth Proportional to 165,896.10, 248,783.40 and 53,605.80

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Solution

The fourth proportional to 165,896.10, 248,783.40 and 53,605.80 is: 80,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,896.10 : 248,783.40 = 53,605.80 : x
  2. Step 2: Convert to fraction form
    165,896.10/248,783.40 = 53,605.80/x
  3. Step 3: Cross multiply
    165,896.10x = 248,783.40 × 53,605.80
  4. Step 4: Simplify right side
    165,896.10x = 13,336,233,183.72
  5. Step 5: Solve for x
    x = 13,336,233,183.72/165,896.10
  6. Step 6: Final answer
    x = 80,389.07

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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.