Home / 222,168.18-306,590.82-120,193.32

Finding the Fourth Proportional to 222,168.18, 306,590.82 and 120,193.32

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Solution

The fourth proportional to 222,168.18, 306,590.82 and 120,193.32 is: 165,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,168.18 : 306,590.82 = 120,193.32 : x
  2. Step 2: Convert to fraction form
    222,168.18/306,590.82 = 120,193.32/x
  3. Step 3: Cross multiply
    222,168.18x = 306,590.82 × 120,193.32
  4. Step 4: Simplify right side
    222,168.18x = 36,850,168,537.32
  5. Step 5: Solve for x
    x = 36,850,168,537.32/222,168.18
  6. Step 6: Final answer
    x = 165,866.10

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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.