Home / 203,321.36-304,907.16-70,167.44

Finding the Fourth Proportional to 203,321.36, 304,907.16 and 70,167.44

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Solution

The fourth proportional to 203,321.36, 304,907.16 and 70,167.44 is: 105,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,321.36 : 304,907.16 = 70,167.44 : x
  2. Step 2: Convert to fraction form
    203,321.36/304,907.16 = 70,167.44/x
  3. Step 3: Cross multiply
    203,321.36x = 304,907.16 × 70,167.44
  4. Step 4: Simplify right side
    203,321.36x = 21,394,554,854.87
  5. Step 5: Solve for x
    x = 21,394,554,854.87/203,321.36
  6. Step 6: Final answer
    x = 105,225.32

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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.