Home / 222,514.70-307,071.20-120,540.35

Finding the Fourth Proportional to 222,514.70, 307,071.20 and 120,540.35

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Solution

The fourth proportional to 222,514.70, 307,071.20 and 120,540.35 is: 166,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,514.70 : 307,071.20 = 120,540.35 : x
  2. Step 2: Convert to fraction form
    222,514.70/307,071.20 = 120,540.35/x
  3. Step 3: Cross multiply
    222,514.70x = 307,071.20 × 120,540.35
  4. Step 4: Simplify right side
    222,514.70x = 37,014,470,991.95
  5. Step 5: Solve for x
    x = 37,014,470,991.95/222,514.70
  6. Step 6: Final answer
    x = 166,346.19

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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.