Home / 263,852.20-395,087.10-193,349.80

Finding the Fourth Proportional to 263,852.20, 395,087.10 and 193,349.80

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Solution

The fourth proportional to 263,852.20, 395,087.10 and 193,349.80 is: 289,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,852.20 : 395,087.10 = 193,349.80 : x
  2. Step 2: Convert to fraction form
    263,852.20/395,087.10 = 193,349.80/x
  3. Step 3: Cross multiply
    263,852.20x = 395,087.10 × 193,349.80
  4. Step 4: Simplify right side
    263,852.20x = 76,390,011,767.58
  5. Step 5: Solve for x
    x = 76,390,011,767.58/263,852.20
  6. Step 6: Final answer
    x = 289,518.19

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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.