Home / 205,222.56-283,129.20-124,619.64

Finding the Fourth Proportional to 205,222.56, 283,129.20 and 124,619.64

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Solution

The fourth proportional to 205,222.56, 283,129.20 and 124,619.64 is: 171,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,222.56 : 283,129.20 = 124,619.64 : x
  2. Step 2: Convert to fraction form
    205,222.56/283,129.20 = 124,619.64/x
  3. Step 3: Cross multiply
    205,222.56x = 283,129.20 × 124,619.64
  4. Step 4: Simplify right side
    205,222.56x = 35,283,458,977.49
  5. Step 5: Solve for x
    x = 35,283,458,977.49/205,222.56
  6. Step 6: Final answer
    x = 171,927.78

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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.