Home / 129,837.28-194,736.39-41,079.23

Finding the Fourth Proportional to 129,837.28, 194,736.39 and 41,079.23

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Solution

The fourth proportional to 129,837.28, 194,736.39 and 41,079.23 is: 61,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,837.28 : 194,736.39 = 41,079.23 : x
  2. Step 2: Convert to fraction form
    129,837.28/194,736.39 = 41,079.23/x
  3. Step 3: Cross multiply
    129,837.28x = 194,736.39 × 41,079.23
  4. Step 4: Simplify right side
    129,837.28x = 7,999,621,441.02
  5. Step 5: Solve for x
    x = 7,999,621,441.02/129,837.28
  6. Step 6: Final answer
    x = 61,612.67

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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.