Home / 200,209.36-276,280.62-109,563.04

Finding the Fourth Proportional to 200,209.36, 276,280.62 and 109,563.04

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Solution

The fourth proportional to 200,209.36, 276,280.62 and 109,563.04 is: 151,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,209.36 : 276,280.62 = 109,563.04 : x
  2. Step 2: Convert to fraction form
    200,209.36/276,280.62 = 109,563.04/x
  3. Step 3: Cross multiply
    200,209.36x = 276,280.62 × 109,563.04
  4. Step 4: Simplify right side
    200,209.36x = 30,270,144,620.28
  5. Step 5: Solve for x
    x = 30,270,144,620.28/200,209.36
  6. Step 6: Final answer
    x = 151,192.45

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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.