Home / 263,077.20-394,673.40-130,021.20

Finding the Fourth Proportional to 263,077.20, 394,673.40 and 130,021.20

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Solution

The fourth proportional to 263,077.20, 394,673.40 and 130,021.20 is: 195,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,077.20 : 394,673.40 = 130,021.20 : x
  2. Step 2: Convert to fraction form
    263,077.20/394,673.40 = 130,021.20/x
  3. Step 3: Cross multiply
    263,077.20x = 394,673.40 × 130,021.20
  4. Step 4: Simplify right side
    263,077.20x = 51,315,909,076.08
  5. Step 5: Solve for x
    x = 51,315,909,076.08/263,077.20
  6. Step 6: Final answer
    x = 195,060.27

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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.