Home / 223,558.44-308,507.94-122,954.28

Finding the Fourth Proportional to 223,558.44, 308,507.94 and 122,954.28

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Solution

The fourth proportional to 223,558.44, 308,507.94 and 122,954.28 is: 169,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,558.44 : 308,507.94 = 122,954.28 : x
  2. Step 2: Convert to fraction form
    223,558.44/308,507.94 = 122,954.28/x
  3. Step 3: Cross multiply
    223,558.44x = 308,507.94 × 122,954.28
  4. Step 4: Simplify right side
    223,558.44x = 37,932,371,636.98
  5. Step 5: Solve for x
    x = 37,932,371,636.98/223,558.44
  6. Step 6: Final answer
    x = 169,675.42

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1.5x scale

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.