Home / 262,518.14-393,777.21-75,529.64

Finding the Fourth Proportional to 262,518.14, 393,777.21 and 75,529.64

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Solution

The fourth proportional to 262,518.14, 393,777.21 and 75,529.64 is: 113,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,518.14 : 393,777.21 = 75,529.64 : x
  2. Step 2: Convert to fraction form
    262,518.14/393,777.21 = 75,529.64/x
  3. Step 3: Cross multiply
    262,518.14x = 393,777.21 × 75,529.64
  4. Step 4: Simplify right side
    262,518.14x = 29,741,848,942.62
  5. Step 5: Solve for x
    x = 29,741,848,942.62/262,518.14
  6. Step 6: Final answer
    x = 113,294.45

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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.