Home / 150,736.06-208,018.20-82,759.30

Finding the Fourth Proportional to 150,736.06, 208,018.20 and 82,759.30

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Solution

The fourth proportional to 150,736.06, 208,018.20 and 82,759.30 is: 114,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,736.06 : 208,018.20 = 82,759.30 : x
  2. Step 2: Convert to fraction form
    150,736.06/208,018.20 = 82,759.30/x
  3. Step 3: Cross multiply
    150,736.06x = 208,018.20 × 82,759.30
  4. Step 4: Simplify right side
    150,736.06x = 17,215,440,619.26
  5. Step 5: Solve for x
    x = 17,215,440,619.26/150,736.06
  6. Step 6: Final answer
    x = 114,209.17

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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.