Home / 219,033.72-327,956.94-113,631.26

Finding the Fourth Proportional to 219,033.72, 327,956.94 and 113,631.26

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Solution

The fourth proportional to 219,033.72, 327,956.94 and 113,631.26 is: 170,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,033.72 : 327,956.94 = 113,631.26 : x
  2. Step 2: Convert to fraction form
    219,033.72/327,956.94 = 113,631.26/x
  3. Step 3: Cross multiply
    219,033.72x = 327,956.94 × 113,631.26
  4. Step 4: Simplify right side
    219,033.72x = 37,266,160,317.94
  5. Step 5: Solve for x
    x = 37,266,160,317.94/219,033.72
  6. Step 6: Final answer
    x = 170,138.92

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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.