Home / 129,858.85-194,768.78-41,100.85

Finding the Fourth Proportional to 129,858.85, 194,768.78 and 41,100.85

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Solution

The fourth proportional to 129,858.85, 194,768.78 and 41,100.85 is: 61,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,858.85 : 194,768.78 = 41,100.85 : x
  2. Step 2: Convert to fraction form
    129,858.85/194,768.78 = 41,100.85/x
  3. Step 3: Cross multiply
    129,858.85x = 194,768.78 × 41,100.85
  4. Step 4: Simplify right side
    129,858.85x = 8,005,161,437.62
  5. Step 5: Solve for x
    x = 8,005,161,437.62/129,858.85
  6. Step 6: Final answer
    x = 61,645.10

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1.5x scale

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.