Home / 165,912.40-248,674.20-124,310.80

Finding the Fourth Proportional to 165,912.40, 248,674.20 and 124,310.80

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Solution

The fourth proportional to 165,912.40, 248,674.20 and 124,310.80 is: 186,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,912.40 : 248,674.20 = 124,310.80 : x
  2. Step 2: Convert to fraction form
    165,912.40/248,674.20 = 124,310.80/x
  3. Step 3: Cross multiply
    165,912.40x = 248,674.20 × 124,310.80
  4. Step 4: Simplify right side
    165,912.40x = 30,912,888,741.36
  5. Step 5: Solve for x
    x = 30,912,888,741.36/165,912.40
  6. Step 6: Final answer
    x = 186,320.54

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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.