Home / 144,745.04-217,450.20-102,729.44

Finding the Fourth Proportional to 144,745.04, 217,450.20 and 102,729.44

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Solution

The fourth proportional to 144,745.04, 217,450.20 and 102,729.44 is: 154,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,745.04 : 217,450.20 = 102,729.44 : x
  2. Step 2: Convert to fraction form
    144,745.04/217,450.20 = 102,729.44/x
  3. Step 3: Cross multiply
    144,745.04x = 217,450.20 × 102,729.44
  4. Step 4: Simplify right side
    144,745.04x = 22,338,537,273.89
  5. Step 5: Solve for x
    x = 22,338,537,273.89/144,745.04
  6. Step 6: Final answer
    x = 154,330.24

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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.