Home / 190,949.30-263,514.20-104,909.39

Finding the Fourth Proportional to 190,949.30, 263,514.20 and 104,909.39

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Solution

The fourth proportional to 190,949.30, 263,514.20 and 104,909.39 is: 144,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,949.30 : 263,514.20 = 104,909.39 : x
  2. Step 2: Convert to fraction form
    190,949.30/263,514.20 = 104,909.39/x
  3. Step 3: Cross multiply
    190,949.30x = 263,514.20 × 104,909.39
  4. Step 4: Simplify right side
    190,949.30x = 27,645,112,136.22
  5. Step 5: Solve for x
    x = 27,645,112,136.22/190,949.30
  6. Step 6: Final answer
    x = 144,777.24

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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.