Home / 222,633.36-307,025.64-142,112.88

Finding the Fourth Proportional to 222,633.36, 307,025.64 and 142,112.88

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Solution

The fourth proportional to 222,633.36, 307,025.64 and 142,112.88 is: 195,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,633.36 : 307,025.64 = 142,112.88 : x
  2. Step 2: Convert to fraction form
    222,633.36/307,025.64 = 142,112.88/x
  3. Step 3: Cross multiply
    222,633.36x = 307,025.64 × 142,112.88
  4. Step 4: Simplify right side
    222,633.36x = 43,632,297,934.24
  5. Step 5: Solve for x
    x = 43,632,297,934.24/222,633.36
  6. Step 6: Final answer
    x = 195,982.75

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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.