Home / 190,376.46-262,721.07-105,494.94

Finding the Fourth Proportional to 190,376.46, 262,721.07 and 105,494.94

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Solution

The fourth proportional to 190,376.46, 262,721.07 and 105,494.94 is: 145,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,376.46 : 262,721.07 = 105,494.94 : x
  2. Step 2: Convert to fraction form
    190,376.46/262,721.07 = 105,494.94/x
  3. Step 3: Cross multiply
    190,376.46x = 262,721.07 × 105,494.94
  4. Step 4: Simplify right side
    190,376.46x = 27,715,743,516.39
  5. Step 5: Solve for x
    x = 27,715,743,516.39/190,376.46
  6. Step 6: Final answer
    x = 145,583.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.