Home / 203,623.88-304,937.37-143,504.60

Finding the Fourth Proportional to 203,623.88, 304,937.37 and 143,504.60

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Solution

The fourth proportional to 203,623.88, 304,937.37 and 143,504.60 is: 214,905.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,623.88 : 304,937.37 = 143,504.60 : x
  2. Step 2: Convert to fraction form
    203,623.88/304,937.37 = 143,504.60/x
  3. Step 3: Cross multiply
    203,623.88x = 304,937.37 × 143,504.60
  4. Step 4: Simplify right side
    203,623.88x = 43,759,913,782.22
  5. Step 5: Solve for x
    x = 43,759,913,782.22/203,623.88
  6. Step 6: Final answer
    x = 214,905.61

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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.