Home / 190,732.40-263,193.32-113,194.67

Finding the Fourth Proportional to 190,732.40, 263,193.32 and 113,194.67

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Solution

The fourth proportional to 190,732.40, 263,193.32 and 113,194.67 is: 156,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,732.40 : 263,193.32 = 113,194.67 : x
  2. Step 2: Convert to fraction form
    190,732.40/263,193.32 = 113,194.67/x
  3. Step 3: Cross multiply
    190,732.40x = 263,193.32 × 113,194.67
  4. Step 4: Simplify right side
    190,732.40x = 29,792,079,121.66
  5. Step 5: Solve for x
    x = 29,792,079,121.66/190,732.40
  6. Step 6: Final answer
    x = 156,198.32

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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.