Home / 227,485.89-313,933.77-125,515.80

Finding the Fourth Proportional to 227,485.89, 313,933.77 and 125,515.80

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Solution

The fourth proportional to 227,485.89, 313,933.77 and 125,515.80 is: 173,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,485.89 : 313,933.77 = 125,515.80 : x
  2. Step 2: Convert to fraction form
    227,485.89/313,933.77 = 125,515.80/x
  3. Step 3: Cross multiply
    227,485.89x = 313,933.77 × 125,515.80
  4. Step 4: Simplify right side
    227,485.89x = 39,403,648,288.57
  5. Step 5: Solve for x
    x = 39,403,648,288.57/227,485.89
  6. Step 6: Final answer
    x = 173,213.59

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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.