Home / 204,190.08-306,474.66-104,421.57

Finding the Fourth Proportional to 204,190.08, 306,474.66 and 104,421.57

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Solution

The fourth proportional to 204,190.08, 306,474.66 and 104,421.57 is: 156,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,190.08 : 306,474.66 = 104,421.57 : x
  2. Step 2: Convert to fraction form
    204,190.08/306,474.66 = 104,421.57/x
  3. Step 3: Cross multiply
    204,190.08x = 306,474.66 × 104,421.57
  4. Step 4: Simplify right side
    204,190.08x = 32,002,565,162.42
  5. Step 5: Solve for x
    x = 32,002,565,162.42/204,190.08
  6. Step 6: Final answer
    x = 156,729.28

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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.