Home / 318,556.56-439,544.33-182,633.15

Finding the Fourth Proportional to 318,556.56, 439,544.33 and 182,633.15

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Solution

The fourth proportional to 318,556.56, 439,544.33 and 182,633.15 is: 251,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,556.56 : 439,544.33 = 182,633.15 : x
  2. Step 2: Convert to fraction form
    318,556.56/439,544.33 = 182,633.15/x
  3. Step 3: Cross multiply
    318,556.56x = 439,544.33 × 182,633.15
  4. Step 4: Simplify right side
    318,556.56x = 80,275,363,811.40
  5. Step 5: Solve for x
    x = 80,275,363,811.40/318,556.56
  6. Step 6: Final answer
    x = 251,997.21

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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.