Home / 263,449.40-395,192.58-105,677.86

Finding the Fourth Proportional to 263,449.40, 395,192.58 and 105,677.86

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Solution

The fourth proportional to 263,449.40, 395,192.58 and 105,677.86 is: 158,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,449.40 : 395,192.58 = 105,677.86 : x
  2. Step 2: Convert to fraction form
    263,449.40/395,192.58 = 105,677.86/x
  3. Step 3: Cross multiply
    263,449.40x = 395,192.58 × 105,677.86
  4. Step 4: Simplify right side
    263,449.40x = 41,763,106,142.28
  5. Step 5: Solve for x
    x = 41,763,106,142.28/263,449.40
  6. Step 6: Final answer
    x = 158,524.20

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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.