Home / 129,916.96-194,880.86-41,168.50

Finding the Fourth Proportional to 129,916.96, 194,880.86 and 41,168.50

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Solution

The fourth proportional to 129,916.96, 194,880.86 and 41,168.50 is: 61,754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,916.96 : 194,880.86 = 41,168.50 : x
  2. Step 2: Convert to fraction form
    129,916.96/194,880.86 = 41,168.50/x
  3. Step 3: Cross multiply
    129,916.96x = 194,880.86 × 41,168.50
  4. Step 4: Simplify right side
    129,916.96x = 8,022,952,684.91
  5. Step 5: Solve for x
    x = 8,022,952,684.91/129,916.96
  6. Step 6: Final answer
    x = 61,754.47

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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.