Home / 201,936.24-278,631.09-126,441

Finding the Fourth Proportional to 201,936.24, 278,631.09 and 126,441

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Solution

The fourth proportional to 201,936.24, 278,631.09 and 126,441 is: 174,462.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,936.24 : 278,631.09 = 126,441 : x
  2. Step 2: Convert to fraction form
    201,936.24/278,631.09 = 126,441/x
  3. Step 3: Cross multiply
    201,936.24x = 278,631.09 × 126,441
  4. Step 4: Simplify right side
    201,936.24x = 35,230,393,650.69
  5. Step 5: Solve for x
    x = 35,230,393,650.69/201,936.24
  6. Step 6: Final answer
    x = 174,462.96

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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.