Home / 313,103.37-432,054.09-177,149.73

Finding the Fourth Proportional to 313,103.37, 432,054.09 and 177,149.73

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Solution

The fourth proportional to 313,103.37, 432,054.09 and 177,149.73 is: 244,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,103.37 : 432,054.09 = 177,149.73 : x
  2. Step 2: Convert to fraction form
    313,103.37/432,054.09 = 177,149.73/x
  3. Step 3: Cross multiply
    313,103.37x = 432,054.09 × 177,149.73
  4. Step 4: Simplify right side
    313,103.37x = 76,538,265,388.90
  5. Step 5: Solve for x
    x = 76,538,265,388.90/313,103.37
  6. Step 6: Final answer
    x = 244,450.47

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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.