Home / 490,745.24-736,116.71-153,811.56

Finding the Fourth Proportional to 490,745.24, 736,116.71 and 153,811.56

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Solution

The fourth proportional to 490,745.24, 736,116.71 and 153,811.56 is: 230,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,745.24 : 736,116.71 = 153,811.56 : x
  2. Step 2: Convert to fraction form
    490,745.24/736,116.71 = 153,811.56/x
  3. Step 3: Cross multiply
    490,745.24x = 736,116.71 × 153,811.56
  4. Step 4: Simplify right side
    490,745.24x = 113,223,258,738.11
  5. Step 5: Solve for x
    x = 113,223,258,738.11/490,745.24
  6. Step 6: Final answer
    x = 230,716.98

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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.