Home / 263,044.80-394,567.20-163,317.60

Finding the Fourth Proportional to 263,044.80, 394,567.20 and 163,317.60

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Solution

The fourth proportional to 263,044.80, 394,567.20 and 163,317.60 is: 244,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,044.80 : 394,567.20 = 163,317.60 : x
  2. Step 2: Convert to fraction form
    263,044.80/394,567.20 = 163,317.60/x
  3. Step 3: Cross multiply
    263,044.80x = 394,567.20 × 163,317.60
  4. Step 4: Simplify right side
    263,044.80x = 64,439,768,142.72
  5. Step 5: Solve for x
    x = 64,439,768,142.72/263,044.80
  6. Step 6: Final answer
    x = 244,976.40

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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.