Home / 129,576.99-194,296.23-40,806.66

Finding the Fourth Proportional to 129,576.99, 194,296.23 and 40,806.66

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Solution

The fourth proportional to 129,576.99, 194,296.23 and 40,806.66 is: 61,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,576.99 : 194,296.23 = 40,806.66 : x
  2. Step 2: Convert to fraction form
    129,576.99/194,296.23 = 40,806.66/x
  3. Step 3: Cross multiply
    129,576.99x = 194,296.23 × 40,806.66
  4. Step 4: Simplify right side
    129,576.99x = 7,928,580,196.89
  5. Step 5: Solve for x
    x = 7,928,580,196.89/129,576.99
  6. Step 6: Final answer
    x = 61,188.18

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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.