Home / 269,208.86-371,503.10-148,361.30

Finding the Fourth Proportional to 269,208.86, 371,503.10 and 148,361.30

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Solution

The fourth proportional to 269,208.86, 371,503.10 and 148,361.30 is: 204,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,208.86 : 371,503.10 = 148,361.30 : x
  2. Step 2: Convert to fraction form
    269,208.86/371,503.10 = 148,361.30/x
  3. Step 3: Cross multiply
    269,208.86x = 371,503.10 × 148,361.30
  4. Step 4: Simplify right side
    269,208.86x = 55,116,682,870.03
  5. Step 5: Solve for x
    x = 55,116,682,870.03/269,208.86
  6. Step 6: Final answer
    x = 204,735.77

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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.