Home / 369,968.50-510,556.99-200,202.63

Finding the Fourth Proportional to 369,968.50, 510,556.99 and 200,202.63

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Solution

The fourth proportional to 369,968.50, 510,556.99 and 200,202.63 is: 276,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,968.50 : 510,556.99 = 200,202.63 : x
  2. Step 2: Convert to fraction form
    369,968.50/510,556.99 = 200,202.63/x
  3. Step 3: Cross multiply
    369,968.50x = 510,556.99 × 200,202.63
  4. Step 4: Simplify right side
    369,968.50x = 102,214,848,609.09
  5. Step 5: Solve for x
    x = 102,214,848,609.09/369,968.50
  6. Step 6: Final answer
    x = 276,279.87

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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.