Home / 222,968.12-307,692.96-122,366.12

Finding the Fourth Proportional to 222,968.12, 307,692.96 and 122,366.12

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Solution

The fourth proportional to 222,968.12, 307,692.96 and 122,366.12 is: 168,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,968.12 : 307,692.96 = 122,366.12 : x
  2. Step 2: Convert to fraction form
    222,968.12/307,692.96 = 122,366.12/x
  3. Step 3: Cross multiply
    222,968.12x = 307,692.96 × 122,366.12
  4. Step 4: Simplify right side
    222,968.12x = 37,651,193,666.52
  5. Step 5: Solve for x
    x = 37,651,193,666.52/222,968.12
  6. Step 6: Final answer
    x = 168,863.57

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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.