Home / 222,899.76-307,596.33-123,441.57

Finding the Fourth Proportional to 222,899.76, 307,596.33 and 123,441.57

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Solution

The fourth proportional to 222,899.76, 307,596.33 and 123,441.57 is: 170,346.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,899.76 : 307,596.33 = 123,441.57 : x
  2. Step 2: Convert to fraction form
    222,899.76/307,596.33 = 123,441.57/x
  3. Step 3: Cross multiply
    222,899.76x = 307,596.33 × 123,441.57
  4. Step 4: Simplify right side
    222,899.76x = 37,970,173,901.44
  5. Step 5: Solve for x
    x = 37,970,173,901.44/222,899.76
  6. Step 6: Final answer
    x = 170,346.41

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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.