Home / 147,229.34-203,181.49-82,709.97

Finding the Fourth Proportional to 147,229.34, 203,181.49 and 82,709.97

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Solution

The fourth proportional to 147,229.34, 203,181.49 and 82,709.97 is: 114,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,229.34 : 203,181.49 = 82,709.97 : x
  2. Step 2: Convert to fraction form
    147,229.34/203,181.49 = 82,709.97/x
  3. Step 3: Cross multiply
    147,229.34x = 203,181.49 × 82,709.97
  4. Step 4: Simplify right side
    147,229.34x = 16,805,134,528.91
  5. Step 5: Solve for x
    x = 16,805,134,528.91/147,229.34
  6. Step 6: Final answer
    x = 114,142.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.