Home / 200,884.16-277,191.04-129,361.12

Finding the Fourth Proportional to 200,884.16, 277,191.04 and 129,361.12

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Solution

The fourth proportional to 200,884.16, 277,191.04 and 129,361.12 is: 178,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,884.16 : 277,191.04 = 129,361.12 : x
  2. Step 2: Convert to fraction form
    200,884.16/277,191.04 = 129,361.12/x
  3. Step 3: Cross multiply
    200,884.16x = 277,191.04 × 129,361.12
  4. Step 4: Simplify right side
    200,884.16x = 35,857,743,388.36
  5. Step 5: Solve for x
    x = 35,857,743,388.36/200,884.16
  6. Step 6: Final answer
    x = 178,499.61

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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.