Home / 380,200.77-524,793.96-219,163.44

Finding the Fourth Proportional to 380,200.77, 524,793.96 and 219,163.44

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Solution

The fourth proportional to 380,200.77, 524,793.96 and 219,163.44 is: 302,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,200.77 : 524,793.96 = 219,163.44 : x
  2. Step 2: Convert to fraction form
    380,200.77/524,793.96 = 219,163.44/x
  3. Step 3: Cross multiply
    380,200.77x = 524,793.96 × 219,163.44
  4. Step 4: Simplify right side
    380,200.77x = 115,015,649,564.82
  5. Step 5: Solve for x
    x = 115,015,649,564.82/380,200.77
  6. Step 6: Final answer
    x = 302,512.93

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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.