Home / 222,890.50-307,357.69-190,731.57

Finding the Fourth Proportional to 222,890.50, 307,357.69 and 190,731.57

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Solution

The fourth proportional to 222,890.50, 307,357.69 and 190,731.57 is: 263,011.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,890.50 : 307,357.69 = 190,731.57 : x
  2. Step 2: Convert to fraction form
    222,890.50/307,357.69 = 190,731.57/x
  3. Step 3: Cross multiply
    222,890.50x = 307,357.69 × 190,731.57
  4. Step 4: Simplify right side
    222,890.50x = 58,622,815,056.84
  5. Step 5: Solve for x
    x = 58,622,815,056.84/222,890.50
  6. Step 6: Final answer
    x = 263,011.73

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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.