Home / 175,450.05-263,266.20-81,955.80

Finding the Fourth Proportional to 175,450.05, 263,266.20 and 81,955.80

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Solution

The fourth proportional to 175,450.05, 263,266.20 and 81,955.80 is: 122,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,450.05 : 263,266.20 = 81,955.80 : x
  2. Step 2: Convert to fraction form
    175,450.05/263,266.20 = 81,955.80/x
  3. Step 3: Cross multiply
    175,450.05x = 263,266.20 × 81,955.80
  4. Step 4: Simplify right side
    175,450.05x = 21,576,192,033.96
  5. Step 5: Solve for x
    x = 21,576,192,033.96/175,450.05
  6. Step 6: Final answer
    x = 122,976.27

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1.5x scale

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.