Home / 202,923.49-280,147.04-122,371.42

Finding the Fourth Proportional to 202,923.49, 280,147.04 and 122,371.42

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Solution

The fourth proportional to 202,923.49, 280,147.04 and 122,371.42 is: 168,940.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,923.49 : 280,147.04 = 122,371.42 : x
  2. Step 2: Convert to fraction form
    202,923.49/280,147.04 = 122,371.42/x
  3. Step 3: Cross multiply
    202,923.49x = 280,147.04 × 122,371.42
  4. Step 4: Simplify right side
    202,923.49x = 34,281,991,093.60
  5. Step 5: Solve for x
    x = 34,281,991,093.60/202,923.49
  6. Step 6: Final answer
    x = 168,940.48

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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.