Home / 201,928.41-302,928.64-67,000.56

Finding the Fourth Proportional to 201,928.41, 302,928.64 and 67,000.56

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Solution

The fourth proportional to 201,928.41, 302,928.64 and 67,000.56 is: 100,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,928.41 : 302,928.64 = 67,000.56 : x
  2. Step 2: Convert to fraction form
    201,928.41/302,928.64 = 67,000.56/x
  3. Step 3: Cross multiply
    201,928.41x = 302,928.64 × 67,000.56
  4. Step 4: Simplify right side
    201,928.41x = 20,296,388,185.04
  5. Step 5: Solve for x
    x = 20,296,388,185.04/201,928.41
  6. Step 6: Final answer
    x = 100,512.79

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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.