Home / 201,931.28-302,932.95-67,003.44

Finding the Fourth Proportional to 201,931.28, 302,932.95 and 67,003.44

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Solution

The fourth proportional to 201,931.28, 302,932.95 and 67,003.44 is: 100,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,931.28 : 302,932.95 = 67,003.44 : x
  2. Step 2: Convert to fraction form
    201,931.28/302,932.95 = 67,003.44/x
  3. Step 3: Cross multiply
    201,931.28x = 302,932.95 × 67,003.44
  4. Step 4: Simplify right side
    201,931.28x = 20,297,548,352.09
  5. Step 5: Solve for x
    x = 20,297,548,352.09/201,931.28
  6. Step 6: Final answer
    x = 100,517.11

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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.