Home / 220,729.14-331,087.59-70,968.24

Finding the Fourth Proportional to 220,729.14, 331,087.59 and 70,968.24

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Solution

The fourth proportional to 220,729.14, 331,087.59 and 70,968.24 is: 106,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,729.14 : 331,087.59 = 70,968.24 : x
  2. Step 2: Convert to fraction form
    220,729.14/331,087.59 = 70,968.24/x
  3. Step 3: Cross multiply
    220,729.14x = 331,087.59 × 70,968.24
  4. Step 4: Simplify right side
    220,729.14x = 23,496,703,548.14
  5. Step 5: Solve for x
    x = 23,496,703,548.14/220,729.14
  6. Step 6: Final answer
    x = 106,450.39

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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.