Home / 318,740.37-439,863.31-182,779.44

Finding the Fourth Proportional to 318,740.37, 439,863.31 and 182,779.44

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Solution

The fourth proportional to 318,740.37, 439,863.31 and 182,779.44 is: 252,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,740.37 : 439,863.31 = 182,779.44 : x
  2. Step 2: Convert to fraction form
    318,740.37/439,863.31 = 182,779.44/x
  3. Step 3: Cross multiply
    318,740.37x = 439,863.31 × 182,779.44
  4. Step 4: Simplify right side
    318,740.37x = 80,397,967,279.03
  5. Step 5: Solve for x
    x = 80,397,967,279.03/318,740.37
  6. Step 6: Final answer
    x = 252,236.54

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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.