Home / 204,060.72-306,082.68-70,971.12

Finding the Fourth Proportional to 204,060.72, 306,082.68 and 70,971.12

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Solution

The fourth proportional to 204,060.72, 306,082.68 and 70,971.12 is: 106,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,060.72 : 306,082.68 = 70,971.12 : x
  2. Step 2: Convert to fraction form
    204,060.72/306,082.68 = 70,971.12/x
  3. Step 3: Cross multiply
    204,060.72x = 306,082.68 × 70,971.12
  4. Step 4: Simplify right side
    204,060.72x = 21,723,030,612.20
  5. Step 5: Solve for x
    x = 21,723,030,612.20/204,060.72
  6. Step 6: Final answer
    x = 106,453.76

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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.