Home / 173,571.41-239,546.57-99,986.39

Finding the Fourth Proportional to 173,571.41, 239,546.57 and 99,986.39

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Solution

The fourth proportional to 173,571.41, 239,546.57 and 99,986.39 is: 137,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,571.41 : 239,546.57 = 99,986.39 : x
  2. Step 2: Convert to fraction form
    173,571.41/239,546.57 = 99,986.39/x
  3. Step 3: Cross multiply
    173,571.41x = 239,546.57 × 99,986.39
  4. Step 4: Simplify right side
    173,571.41x = 23,951,396,771.18
  5. Step 5: Solve for x
    x = 23,951,396,771.18/173,571.41
  6. Step 6: Final answer
    x = 137,991.60

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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.