Home / 222,602.36-307,192.20-120,628.04

Finding the Fourth Proportional to 222,602.36, 307,192.20 and 120,628.04

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Solution

The fourth proportional to 222,602.36, 307,192.20 and 120,628.04 is: 166,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,602.36 : 307,192.20 = 120,628.04 : x
  2. Step 2: Convert to fraction form
    222,602.36/307,192.20 = 120,628.04/x
  3. Step 3: Cross multiply
    222,602.36x = 307,192.20 × 120,628.04
  4. Step 4: Simplify right side
    222,602.36x = 37,055,992,989.29
  5. Step 5: Solve for x
    x = 37,055,992,989.29/222,602.36
  6. Step 6: Final answer
    x = 166,467.21

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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.