Home / 263,539.20-363,684.96-142,680.48

Finding the Fourth Proportional to 263,539.20, 363,684.96 and 142,680.48

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Solution

The fourth proportional to 263,539.20, 363,684.96 and 142,680.48 is: 196,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,539.20 : 363,684.96 = 142,680.48 : x
  2. Step 2: Convert to fraction form
    263,539.20/363,684.96 = 142,680.48/x
  3. Step 3: Cross multiply
    263,539.20x = 363,684.96 × 142,680.48
  4. Step 4: Simplify right side
    263,539.20x = 51,890,744,661.58
  5. Step 5: Solve for x
    x = 51,890,744,661.58/263,539.20
  6. Step 6: Final answer
    x = 196,899.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.