Home / 369,512.96-509,928.64-199,747.09

Finding the Fourth Proportional to 369,512.96, 509,928.64 and 199,747.09

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Solution

The fourth proportional to 369,512.96, 509,928.64 and 199,747.09 is: 275,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,512.96 : 509,928.64 = 199,747.09 : x
  2. Step 2: Convert to fraction form
    369,512.96/509,928.64 = 199,747.09/x
  3. Step 3: Cross multiply
    369,512.96x = 509,928.64 × 199,747.09
  4. Step 4: Simplify right side
    369,512.96x = 101,856,761,213.32
  5. Step 5: Solve for x
    x = 101,856,761,213.32/369,512.96
  6. Step 6: Final answer
    x = 275,651.39

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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.