Home / 222,589.30-307,279.62-127,077.54

Finding the Fourth Proportional to 222,589.30, 307,279.62 and 127,077.54

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Solution

The fourth proportional to 222,589.30, 307,279.62 and 127,077.54 is: 175,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,589.30 : 307,279.62 = 127,077.54 : x
  2. Step 2: Convert to fraction form
    222,589.30/307,279.62 = 127,077.54/x
  3. Step 3: Cross multiply
    222,589.30x = 307,279.62 × 127,077.54
  4. Step 4: Simplify right side
    222,589.30x = 39,048,338,201.73
  5. Step 5: Solve for x
    x = 39,048,338,201.73/222,589.30
  6. Step 6: Final answer
    x = 175,427.74

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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.