Home / 222,531.90-307,093.67-120,559.95

Finding the Fourth Proportional to 222,531.90, 307,093.67 and 120,559.95

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Solution

The fourth proportional to 222,531.90, 307,093.67 and 120,559.95 is: 166,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,531.90 : 307,093.67 = 120,559.95 : x
  2. Step 2: Convert to fraction form
    222,531.90/307,093.67 = 120,559.95/x
  3. Step 3: Cross multiply
    222,531.90x = 307,093.67 × 120,559.95
  4. Step 4: Simplify right side
    222,531.90x = 37,023,196,897.72
  5. Step 5: Solve for x
    x = 37,023,196,897.72/222,531.90
  6. Step 6: Final answer
    x = 166,372.54

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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.