Home / 203,222.75-304,834.16-84,829.51

Finding the Fourth Proportional to 203,222.75, 304,834.16 and 84,829.51

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Solution

The fourth proportional to 203,222.75, 304,834.16 and 84,829.51 is: 127,244.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,222.75 : 304,834.16 = 84,829.51 : x
  2. Step 2: Convert to fraction form
    203,222.75/304,834.16 = 84,829.51/x
  3. Step 3: Cross multiply
    203,222.75x = 304,834.16 × 84,829.51
  4. Step 4: Simplify right side
    203,222.75x = 25,858,932,424.06
  5. Step 5: Solve for x
    x = 25,858,932,424.06/203,222.75
  6. Step 6: Final answer
    x = 127,244.28

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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.