Home / 129,834.60-194,715.45-41,115.30

Finding the Fourth Proportional to 129,834.60, 194,715.45 and 41,115.30

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Solution

The fourth proportional to 129,834.60, 194,715.45 and 41,115.30 is: 61,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,834.60 : 194,715.45 = 41,115.30 : x
  2. Step 2: Convert to fraction form
    129,834.60/194,715.45 = 41,115.30/x
  3. Step 3: Cross multiply
    129,834.60x = 194,715.45 × 41,115.30
  4. Step 4: Simplify right side
    129,834.60x = 8,005,784,141.39
  5. Step 5: Solve for x
    x = 8,005,784,141.39/129,834.60
  6. Step 6: Final answer
    x = 61,661.41

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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.