Home / 314,511.26-471,708.56-104,121.86

Finding the Fourth Proportional to 314,511.26, 471,708.56 and 104,121.86

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Solution

The fourth proportional to 314,511.26, 471,708.56 and 104,121.86 is: 156,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,511.26 : 471,708.56 = 104,121.86 : x
  2. Step 2: Convert to fraction form
    314,511.26/471,708.56 = 104,121.86/x
  3. Step 3: Cross multiply
    314,511.26x = 471,708.56 × 104,121.86
  4. Step 4: Simplify right side
    314,511.26x = 49,115,170,546.88
  5. Step 5: Solve for x
    x = 49,115,170,546.88/314,511.26
  6. Step 6: Final answer
    x = 156,163.48

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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.