Home / 343,986.85-474,926.68-223,471.61

Finding the Fourth Proportional to 343,986.85, 474,926.68 and 223,471.61

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Solution

The fourth proportional to 343,986.85, 474,926.68 and 223,471.61 is: 308,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,986.85 : 474,926.68 = 223,471.61 : x
  2. Step 2: Convert to fraction form
    343,986.85/474,926.68 = 223,471.61/x
  3. Step 3: Cross multiply
    343,986.85x = 474,926.68 × 223,471.61
  4. Step 4: Simplify right side
    343,986.85x = 106,132,629,811.56
  5. Step 5: Solve for x
    x = 106,132,629,811.56/343,986.85
  6. Step 6: Final answer
    x = 308,536.88

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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.