Home / 150,986.51-208,365.41-82,080.62

Finding the Fourth Proportional to 150,986.51, 208,365.41 and 82,080.62

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Solution

The fourth proportional to 150,986.51, 208,365.41 and 82,080.62 is: 113,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,986.51 : 208,365.41 = 82,080.62 : x
  2. Step 2: Convert to fraction form
    150,986.51/208,365.41 = 82,080.62/x
  3. Step 3: Cross multiply
    150,986.51x = 208,365.41 × 82,080.62
  4. Step 4: Simplify right side
    150,986.51x = 17,102,760,587.12
  5. Step 5: Solve for x
    x = 17,102,760,587.12/150,986.51
  6. Step 6: Final answer
    x = 113,273.44

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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.