Home / 263,010.80-394,516.20-163,283.60

Finding the Fourth Proportional to 263,010.80, 394,516.20 and 163,283.60

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Solution

The fourth proportional to 263,010.80, 394,516.20 and 163,283.60 is: 244,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,010.80 : 394,516.20 = 163,283.60 : x
  2. Step 2: Convert to fraction form
    263,010.80/394,516.20 = 163,283.60/x
  3. Step 3: Cross multiply
    263,010.80x = 394,516.20 × 163,283.60
  4. Step 4: Simplify right side
    263,010.80x = 64,418,025,394.32
  5. Step 5: Solve for x
    x = 64,418,025,394.32/263,010.80
  6. Step 6: Final answer
    x = 244,925.40

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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.