Home / 222,129.39-332,503.05-120,673.75

Finding the Fourth Proportional to 222,129.39, 332,503.05 and 120,673.75

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Solution

The fourth proportional to 222,129.39, 332,503.05 and 120,673.75 is: 180,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,129.39 : 332,503.05 = 120,673.75 : x
  2. Step 2: Convert to fraction form
    222,129.39/332,503.05 = 120,673.75/x
  3. Step 3: Cross multiply
    222,129.39x = 332,503.05 × 120,673.75
  4. Step 4: Simplify right side
    222,129.39x = 40,124,388,495.31
  5. Step 5: Solve for x
    x = 40,124,388,495.31/222,129.39
  6. Step 6: Final answer
    x = 180,635.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.