Home / 263,450.41-395,015.43-103,334.47

Finding the Fourth Proportional to 263,450.41, 395,015.43 and 103,334.47

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Solution

The fourth proportional to 263,450.41, 395,015.43 and 103,334.47 is: 154,938.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,450.41 : 395,015.43 = 103,334.47 : x
  2. Step 2: Convert to fraction form
    263,450.41/395,015.43 = 103,334.47/x
  3. Step 3: Cross multiply
    263,450.41x = 395,015.43 × 103,334.47
  4. Step 4: Simplify right side
    263,450.41x = 40,818,709,500.84
  5. Step 5: Solve for x
    x = 40,818,709,500.84/263,450.41
  6. Step 6: Final answer
    x = 154,938.87

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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.