Home / 285,204.12-393,296.22-189,714.84

Finding the Fourth Proportional to 285,204.12, 393,296.22 and 189,714.84

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Solution

The fourth proportional to 285,204.12, 393,296.22 and 189,714.84 is: 261,616.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,204.12 : 393,296.22 = 189,714.84 : x
  2. Step 2: Convert to fraction form
    285,204.12/393,296.22 = 189,714.84/x
  3. Step 3: Cross multiply
    285,204.12x = 393,296.22 × 189,714.84
  4. Step 4: Simplify right side
    285,204.12x = 74,614,129,449.90
  5. Step 5: Solve for x
    x = 74,614,129,449.90/285,204.12
  6. Step 6: Final answer
    x = 261,616.59

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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.