Home / 326,012.58-449,919-182,781.90

Finding the Fourth Proportional to 326,012.58, 449,919 and 182,781.90

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Solution

The fourth proportional to 326,012.58, 449,919 and 182,781.90 is: 252,251.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,012.58 : 449,919 = 182,781.90 : x
  2. Step 2: Convert to fraction form
    326,012.58/449,919 = 182,781.90/x
  3. Step 3: Cross multiply
    326,012.58x = 449,919 × 182,781.90
  4. Step 4: Simplify right side
    326,012.58x = 82,237,049,666.10
  5. Step 5: Solve for x
    x = 82,237,049,666.10/326,012.58
  6. Step 6: Final answer
    x = 252,251.15

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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.