Home / 328,645.82-453,531.23-177,742.82

Finding the Fourth Proportional to 328,645.82, 453,531.23 and 177,742.82

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Solution

The fourth proportional to 328,645.82, 453,531.23 and 177,742.82 is: 245,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,645.82 : 453,531.23 = 177,742.82 : x
  2. Step 2: Convert to fraction form
    328,645.82/453,531.23 = 177,742.82/x
  3. Step 3: Cross multiply
    328,645.82x = 453,531.23 × 177,742.82
  4. Step 4: Simplify right side
    328,645.82x = 80,611,919,778.27
  5. Step 5: Solve for x
    x = 80,611,919,778.27/328,645.82
  6. Step 6: Final answer
    x = 245,285.09

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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.