Home / 239,183.97-330,072.35-131,751.51

Finding the Fourth Proportional to 239,183.97, 330,072.35 and 131,751.51

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Solution

The fourth proportional to 239,183.97, 330,072.35 and 131,751.51 is: 181,816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,183.97 : 330,072.35 = 131,751.51 : x
  2. Step 2: Convert to fraction form
    239,183.97/330,072.35 = 131,751.51/x
  3. Step 3: Cross multiply
    239,183.97x = 330,072.35 × 131,751.51
  4. Step 4: Simplify right side
    239,183.97x = 43,487,529,862.99
  5. Step 5: Solve for x
    x = 43,487,529,862.99/239,183.97
  6. Step 6: Final answer
    x = 181,816.24

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1.5x scale

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.