Home / 281,663.27-388,483.42-195,622.37

Finding the Fourth Proportional to 281,663.27, 388,483.42 and 195,622.37

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Solution

The fourth proportional to 281,663.27, 388,483.42 and 195,622.37 is: 269,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,663.27 : 388,483.42 = 195,622.37 : x
  2. Step 2: Convert to fraction form
    281,663.27/388,483.42 = 195,622.37/x
  3. Step 3: Cross multiply
    281,663.27x = 388,483.42 × 195,622.37
  4. Step 4: Simplify right side
    281,663.27x = 75,996,045,075.44
  5. Step 5: Solve for x
    x = 75,996,045,075.44/281,663.27
  6. Step 6: Final answer
    x = 269,811.69

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1.5x scale

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.