Home / 263,259.40-394,629.90-130,160.20

Finding the Fourth Proportional to 263,259.40, 394,629.90 and 130,160.20

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Solution

The fourth proportional to 263,259.40, 394,629.90 and 130,160.20 is: 195,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,259.40 : 394,629.90 = 130,160.20 : x
  2. Step 2: Convert to fraction form
    263,259.40/394,629.90 = 130,160.20/x
  3. Step 3: Cross multiply
    263,259.40x = 394,629.90 × 130,160.20
  4. Step 4: Simplify right side
    263,259.40x = 51,365,106,709.98
  5. Step 5: Solve for x
    x = 51,365,106,709.98/263,259.40
  6. Step 6: Final answer
    x = 195,112.15

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1.5x scale

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.