Home / 129,846.10-194,732.70-41,126.80

Finding the Fourth Proportional to 129,846.10, 194,732.70 and 41,126.80

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Solution

The fourth proportional to 129,846.10, 194,732.70 and 41,126.80 is: 61,678.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,846.10 : 194,732.70 = 41,126.80 : x
  2. Step 2: Convert to fraction form
    129,846.10/194,732.70 = 41,126.80/x
  3. Step 3: Cross multiply
    129,846.10x = 194,732.70 × 41,126.80
  4. Step 4: Simplify right side
    129,846.10x = 8,008,732,806.36
  5. Step 5: Solve for x
    x = 8,008,732,806.36/129,846.10
  6. Step 6: Final answer
    x = 61,678.66

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1.5x scale

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.