Home / 300,901.41-451,351.44-76,261.23

Finding the Fourth Proportional to 300,901.41, 451,351.44 and 76,261.23

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Solution

The fourth proportional to 300,901.41, 451,351.44 and 76,261.23 is: 114,391.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,901.41 : 451,351.44 = 76,261.23 : x
  2. Step 2: Convert to fraction form
    300,901.41/451,351.44 = 76,261.23/x
  3. Step 3: Cross multiply
    300,901.41x = 451,351.44 × 76,261.23
  4. Step 4: Simplify right side
    300,901.41x = 34,420,615,976.67
  5. Step 5: Solve for x
    x = 34,420,615,976.67/300,901.41
  6. Step 6: Final answer
    x = 114,391.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.