Home / 129,961.23-194,966.16-41,190.90

Finding the Fourth Proportional to 129,961.23, 194,966.16 and 41,190.90

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Solution

The fourth proportional to 129,961.23, 194,966.16 and 41,190.90 is: 61,794.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,961.23 : 194,966.16 = 41,190.90 : x
  2. Step 2: Convert to fraction form
    129,961.23/194,966.16 = 41,190.90/x
  3. Step 3: Cross multiply
    129,961.23x = 194,966.16 × 41,190.90
  4. Step 4: Simplify right side
    129,961.23x = 8,030,831,599.94
  5. Step 5: Solve for x
    x = 8,030,831,599.94/129,961.23
  6. Step 6: Final answer
    x = 61,794.06

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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.