Home / 196,376.80-294,694.32-107,692.72

Finding the Fourth Proportional to 196,376.80, 294,694.32 and 107,692.72

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Solution

The fourth proportional to 196,376.80, 294,694.32 and 107,692.72 is: 161,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,376.80 : 294,694.32 = 107,692.72 : x
  2. Step 2: Convert to fraction form
    196,376.80/294,694.32 = 107,692.72/x
  3. Step 3: Cross multiply
    196,376.80x = 294,694.32 × 107,692.72
  4. Step 4: Simplify right side
    196,376.80x = 31,736,432,889.35
  5. Step 5: Solve for x
    x = 31,736,432,889.35/196,376.80
  6. Step 6: Final answer
    x = 161,609.89

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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.