Home / 200,765.05-277,056.21-115,882.04

Finding the Fourth Proportional to 200,765.05, 277,056.21 and 115,882.04

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Solution

The fourth proportional to 200,765.05, 277,056.21 and 115,882.04 is: 159,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,765.05 : 277,056.21 = 115,882.04 : x
  2. Step 2: Convert to fraction form
    200,765.05/277,056.21 = 115,882.04/x
  3. Step 3: Cross multiply
    200,765.05x = 277,056.21 × 115,882.04
  4. Step 4: Simplify right side
    200,765.05x = 32,105,839,936.67
  5. Step 5: Solve for x
    x = 32,105,839,936.67/200,765.05
  6. Step 6: Final answer
    x = 159,917.48

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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.