Home / 190,930.34-263,476.50-106,052.78

Finding the Fourth Proportional to 190,930.34, 263,476.50 and 106,052.78

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Solution

The fourth proportional to 190,930.34, 263,476.50 and 106,052.78 is: 146,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,930.34 : 263,476.50 = 106,052.78 : x
  2. Step 2: Convert to fraction form
    190,930.34/263,476.50 = 106,052.78/x
  3. Step 3: Cross multiply
    190,930.34x = 263,476.50 × 106,052.78
  4. Step 4: Simplify right side
    190,930.34x = 27,942,415,289.67
  5. Step 5: Solve for x
    x = 27,942,415,289.67/190,930.34
  6. Step 6: Final answer
    x = 146,348.74

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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.