Home / 197,373.03-296,075.94-78,979.78

Finding the Fourth Proportional to 197,373.03, 296,075.94 and 78,979.78

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Solution

The fourth proportional to 197,373.03, 296,075.94 and 78,979.78 is: 118,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,373.03 : 296,075.94 = 78,979.78 : x
  2. Step 2: Convert to fraction form
    197,373.03/296,075.94 = 78,979.78/x
  3. Step 3: Cross multiply
    197,373.03x = 296,075.94 × 78,979.78
  4. Step 4: Simplify right side
    197,373.03x = 23,384,012,604.49
  5. Step 5: Solve for x
    x = 23,384,012,604.49/197,373.03
  6. Step 6: Final answer
    x = 118,476.23

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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.