Home / 129,869.40-194,804.10-41,122.76

Finding the Fourth Proportional to 129,869.40, 194,804.10 and 41,122.76

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Solution

The fourth proportional to 129,869.40, 194,804.10 and 41,122.76 is: 61,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,869.40 : 194,804.10 = 41,122.76 : x
  2. Step 2: Convert to fraction form
    129,869.40/194,804.10 = 41,122.76/x
  3. Step 3: Cross multiply
    129,869.40x = 194,804.10 × 41,122.76
  4. Step 4: Simplify right side
    129,869.40x = 8,010,882,738.33
  5. Step 5: Solve for x
    x = 8,010,882,738.33/129,869.40
  6. Step 6: Final answer
    x = 61,684.14

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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.