Home / 150,968.97-208,341.90-82,991.18

Finding the Fourth Proportional to 150,968.97, 208,341.90 and 82,991.18

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Solution

The fourth proportional to 150,968.97, 208,341.90 and 82,991.18 is: 114,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,968.97 : 208,341.90 = 82,991.18 : x
  2. Step 2: Convert to fraction form
    150,968.97/208,341.90 = 82,991.18/x
  3. Step 3: Cross multiply
    150,968.97x = 208,341.90 × 82,991.18
  4. Step 4: Simplify right side
    150,968.97x = 17,290,540,645.30
  5. Step 5: Solve for x
    x = 17,290,540,645.30/150,968.97
  6. Step 6: Final answer
    x = 114,530.43

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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.