Home / 222,972.22-307,700.07-120,995.09

Finding the Fourth Proportional to 222,972.22, 307,700.07 and 120,995.09

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Solution

The fourth proportional to 222,972.22, 307,700.07 and 120,995.09 is: 166,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,972.22 : 307,700.07 = 120,995.09 : x
  2. Step 2: Convert to fraction form
    222,972.22/307,700.07 = 120,995.09/x
  3. Step 3: Cross multiply
    222,972.22x = 307,700.07 × 120,995.09
  4. Step 4: Simplify right side
    222,972.22x = 37,230,196,124.16
  5. Step 5: Solve for x
    x = 37,230,196,124.16/222,972.22
  6. Step 6: Final answer
    x = 166,972.36

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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.