Home / 129,449.98-194,183.34-40,706.92

Finding the Fourth Proportional to 129,449.98, 194,183.34 and 40,706.92

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Solution

The fourth proportional to 129,449.98, 194,183.34 and 40,706.92 is: 61,063.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,449.98 : 194,183.34 = 40,706.92 : x
  2. Step 2: Convert to fraction form
    129,449.98/194,183.34 = 40,706.92/x
  3. Step 3: Cross multiply
    129,449.98x = 194,183.34 × 40,706.92
  4. Step 4: Simplify right side
    129,449.98x = 7,904,605,686.71
  5. Step 5: Solve for x
    x = 7,904,605,686.71/129,449.98
  6. Step 6: Final answer
    x = 61,063.01

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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.