Home / 263,037.60-394,556.40-168,559.20

Finding the Fourth Proportional to 263,037.60, 394,556.40 and 168,559.20

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Solution

The fourth proportional to 263,037.60, 394,556.40 and 168,559.20 is: 252,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,037.60 : 394,556.40 = 168,559.20 : x
  2. Step 2: Convert to fraction form
    263,037.60/394,556.40 = 168,559.20/x
  3. Step 3: Cross multiply
    263,037.60x = 394,556.40 × 168,559.20
  4. Step 4: Simplify right side
    263,037.60x = 66,506,111,138.88
  5. Step 5: Solve for x
    x = 66,506,111,138.88/263,037.60
  6. Step 6: Final answer
    x = 252,838.80

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1.5x scale

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.