Home / 331,986.72-458,137.68-181,080.48

Finding the Fourth Proportional to 331,986.72, 458,137.68 and 181,080.48

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Solution

The fourth proportional to 331,986.72, 458,137.68 and 181,080.48 is: 249,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,986.72 : 458,137.68 = 181,080.48 : x
  2. Step 2: Convert to fraction form
    331,986.72/458,137.68 = 181,080.48/x
  3. Step 3: Cross multiply
    331,986.72x = 458,137.68 × 181,080.48
  4. Step 4: Simplify right side
    331,986.72x = 82,959,791,000.49
  5. Step 5: Solve for x
    x = 82,959,791,000.49/331,986.72
  6. Step 6: Final answer
    x = 249,888.88

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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.