Home / 192,738.73-288,583.21-149,895.40

Finding the Fourth Proportional to 192,738.73, 288,583.21 and 149,895.40

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Solution

The fourth proportional to 192,738.73, 288,583.21 and 149,895.40 is: 224,434.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,738.73 : 288,583.21 = 149,895.40 : x
  2. Step 2: Convert to fraction form
    192,738.73/288,583.21 = 149,895.40/x
  3. Step 3: Cross multiply
    192,738.73x = 288,583.21 × 149,895.40
  4. Step 4: Simplify right side
    192,738.73x = 43,257,295,696.23
  5. Step 5: Solve for x
    x = 43,257,295,696.23/192,738.73
  6. Step 6: Final answer
    x = 224,434.89

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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.