Home / 259,514.85-386,692.53-231,217.50

Finding the Fourth Proportional to 259,514.85, 386,692.53 and 231,217.50

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Solution

The fourth proportional to 259,514.85, 386,692.53 and 231,217.50 is: 344,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,514.85 : 386,692.53 = 231,217.50 : x
  2. Step 2: Convert to fraction form
    259,514.85/386,692.53 = 231,217.50/x
  3. Step 3: Cross multiply
    259,514.85x = 386,692.53 × 231,217.50
  4. Step 4: Simplify right side
    259,514.85x = 89,410,080,055.28
  5. Step 5: Solve for x
    x = 89,410,080,055.28/259,514.85
  6. Step 6: Final answer
    x = 344,527.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.