Home / 222,678.75-307,297.35-120,704.34

Finding the Fourth Proportional to 222,678.75, 307,297.35 and 120,704.34

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Solution

The fourth proportional to 222,678.75, 307,297.35 and 120,704.34 is: 166,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,678.75 : 307,297.35 = 120,704.34 : x
  2. Step 2: Convert to fraction form
    222,678.75/307,297.35 = 120,704.34/x
  3. Step 3: Cross multiply
    222,678.75x = 307,297.35 × 120,704.34
  4. Step 4: Simplify right side
    222,678.75x = 37,092,123,815.50
  5. Step 5: Solve for x
    x = 37,092,123,815.50/222,678.75
  6. Step 6: Final answer
    x = 166,572.36

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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.