Home / 331,423.06-457,218.31-223,953.88

Finding the Fourth Proportional to 331,423.06, 457,218.31 and 223,953.88

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Solution

The fourth proportional to 331,423.06, 457,218.31 and 223,953.88 is: 308,958.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,423.06 : 457,218.31 = 223,953.88 : x
  2. Step 2: Convert to fraction form
    331,423.06/457,218.31 = 223,953.88/x
  3. Step 3: Cross multiply
    331,423.06x = 457,218.31 × 223,953.88
  4. Step 4: Simplify right side
    331,423.06x = 102,395,811,125.68
  5. Step 5: Solve for x
    x = 102,395,811,125.68/331,423.06
  6. Step 6: Final answer
    x = 308,958.02

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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.