Home / 150,896.40-208,236-82,914.09

Finding the Fourth Proportional to 150,896.40, 208,236 and 82,914.09

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Solution

The fourth proportional to 150,896.40, 208,236 and 82,914.09 is: 114,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,896.40 : 208,236 = 82,914.09 : x
  2. Step 2: Convert to fraction form
    150,896.40/208,236 = 82,914.09/x
  3. Step 3: Cross multiply
    150,896.40x = 208,236 × 82,914.09
  4. Step 4: Simplify right side
    150,896.40x = 17,265,698,445.24
  5. Step 5: Solve for x
    x = 17,265,698,445.24/150,896.40
  6. Step 6: Final answer
    x = 114,420.88

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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.