Home / 165,720.60-248,589.54-47,409.30

Finding the Fourth Proportional to 165,720.60, 248,589.54 and 47,409.30

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Solution

The fourth proportional to 165,720.60, 248,589.54 and 47,409.30 is: 71,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,720.60 : 248,589.54 = 47,409.30 : x
  2. Step 2: Convert to fraction form
    165,720.60/248,589.54 = 47,409.30/x
  3. Step 3: Cross multiply
    165,720.60x = 248,589.54 × 47,409.30
  4. Step 4: Simplify right side
    165,720.60x = 11,785,456,078.72
  5. Step 5: Solve for x
    x = 11,785,456,078.72/165,720.60
  6. Step 6: Final answer
    x = 71,116.42

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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.