Home / 165,786.20-248,679.30-124,314.20

Finding the Fourth Proportional to 165,786.20, 248,679.30 and 124,314.20

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Solution

The fourth proportional to 165,786.20, 248,679.30 and 124,314.20 is: 186,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,786.20 : 248,679.30 = 124,314.20 : x
  2. Step 2: Convert to fraction form
    165,786.20/248,679.30 = 124,314.20/x
  3. Step 3: Cross multiply
    165,786.20x = 248,679.30 × 124,314.20
  4. Step 4: Simplify right side
    165,786.20x = 30,914,368,236.06
  5. Step 5: Solve for x
    x = 30,914,368,236.06/165,786.20
  6. Step 6: Final answer
    x = 186,471.30

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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.