Home / 148,949.33-205,352.55-123,361.43

Finding the Fourth Proportional to 148,949.33, 205,352.55 and 123,361.43

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Solution

The fourth proportional to 148,949.33, 205,352.55 and 123,361.43 is: 170,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,949.33 : 205,352.55 = 123,361.43 : x
  2. Step 2: Convert to fraction form
    148,949.33/205,352.55 = 123,361.43/x
  3. Step 3: Cross multiply
    148,949.33x = 205,352.55 × 123,361.43
  4. Step 4: Simplify right side
    148,949.33x = 25,332,583,195.38
  5. Step 5: Solve for x
    x = 25,332,583,195.38/148,949.33
  6. Step 6: Final answer
    x = 170,075.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.