Home / 117,605.75-175,519.86-106,255.56

Finding the Fourth Proportional to 117,605.75, 175,519.86 and 106,255.56

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Solution

The fourth proportional to 117,605.75, 175,519.86 and 106,255.56 is: 158,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,605.75 : 175,519.86 = 106,255.56 : x
  2. Step 2: Convert to fraction form
    117,605.75/175,519.86 = 106,255.56/x
  3. Step 3: Cross multiply
    117,605.75x = 175,519.86 × 106,255.56
  4. Step 4: Simplify right side
    117,605.75x = 18,649,961,872.85
  5. Step 5: Solve for x
    x = 18,649,961,872.85/117,605.75
  6. Step 6: Final answer
    x = 158,580.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.