Home / 236,896.20-355,344.30-143,584.20

Finding the Fourth Proportional to 236,896.20, 355,344.30 and 143,584.20

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Solution

The fourth proportional to 236,896.20, 355,344.30 and 143,584.20 is: 215,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,896.20 : 355,344.30 = 143,584.20 : x
  2. Step 2: Convert to fraction form
    236,896.20/355,344.30 = 143,584.20/x
  3. Step 3: Cross multiply
    236,896.20x = 355,344.30 × 143,584.20
  4. Step 4: Simplify right side
    236,896.20x = 51,021,827,040.06
  5. Step 5: Solve for x
    x = 51,021,827,040.06/236,896.20
  6. Step 6: Final answer
    x = 215,376.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.