Home / 490,052.38-734,945.82-134,981.95

Finding the Fourth Proportional to 490,052.38, 734,945.82 and 134,981.95

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Solution

The fourth proportional to 490,052.38, 734,945.82 and 134,981.95 is: 202,436.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,052.38 : 734,945.82 = 134,981.95 : x
  2. Step 2: Convert to fraction form
    490,052.38/734,945.82 = 134,981.95/x
  3. Step 3: Cross multiply
    490,052.38x = 734,945.82 × 134,981.95
  4. Step 4: Simplify right side
    490,052.38x = 99,204,419,927.95
  5. Step 5: Solve for x
    x = 99,204,419,927.95/490,052.38
  6. Step 6: Final answer
    x = 202,436.36

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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.