Home / 222,249.46-306,692.49-121,628.02

Finding the Fourth Proportional to 222,249.46, 306,692.49 and 121,628.02

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Solution

The fourth proportional to 222,249.46, 306,692.49 and 121,628.02 is: 167,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,249.46 : 306,692.49 = 121,628.02 : x
  2. Step 2: Convert to fraction form
    222,249.46/306,692.49 = 121,628.02/x
  3. Step 3: Cross multiply
    222,249.46x = 306,692.49 × 121,628.02
  4. Step 4: Simplify right side
    222,249.46x = 37,302,400,307.57
  5. Step 5: Solve for x
    x = 37,302,400,307.57/222,249.46
  6. Step 6: Final answer
    x = 167,840.23

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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.