Home / 129,760.12-194,623.44-41,022.64

Finding the Fourth Proportional to 129,760.12, 194,623.44 and 41,022.64

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Solution

The fourth proportional to 129,760.12, 194,623.44 and 41,022.64 is: 61,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,760.12 : 194,623.44 = 41,022.64 : x
  2. Step 2: Convert to fraction form
    129,760.12/194,623.44 = 41,022.64/x
  3. Step 3: Cross multiply
    129,760.12x = 194,623.44 × 41,022.64
  4. Step 4: Simplify right side
    129,760.12x = 7,983,967,314.68
  5. Step 5: Solve for x
    x = 7,983,967,314.68/129,760.12
  6. Step 6: Final answer
    x = 61,528.67

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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.