Home / 196,883.76-271,692.38-120,374.30

Finding the Fourth Proportional to 196,883.76, 271,692.38 and 120,374.30

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Solution

The fourth proportional to 196,883.76, 271,692.38 and 120,374.30 is: 166,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,883.76 : 271,692.38 = 120,374.30 : x
  2. Step 2: Convert to fraction form
    196,883.76/271,692.38 = 120,374.30/x
  3. Step 3: Cross multiply
    196,883.76x = 271,692.38 × 120,374.30
  4. Step 4: Simplify right side
    196,883.76x = 32,704,780,360.90
  5. Step 5: Solve for x
    x = 32,704,780,360.90/196,883.76
  6. Step 6: Final answer
    x = 166,112.12

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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.