Home / 203,567.32-305,203.38-136,841.96

Finding the Fourth Proportional to 203,567.32, 305,203.38 and 136,841.96

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Solution

The fourth proportional to 203,567.32, 305,203.38 and 136,841.96 is: 205,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,567.32 : 305,203.38 = 136,841.96 : x
  2. Step 2: Convert to fraction form
    203,567.32/305,203.38 = 136,841.96/x
  3. Step 3: Cross multiply
    203,567.32x = 305,203.38 × 136,841.96
  4. Step 4: Simplify right side
    203,567.32x = 41,764,628,717.82
  5. Step 5: Solve for x
    x = 41,764,628,717.82/203,567.32
  6. Step 6: Final answer
    x = 205,163.72

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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.