Home / 328,916.82-453,905.25-178,013.82

Finding the Fourth Proportional to 328,916.82, 453,905.25 and 178,013.82

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Solution

The fourth proportional to 328,916.82, 453,905.25 and 178,013.82 is: 245,659.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,916.82 : 453,905.25 = 178,013.82 : x
  2. Step 2: Convert to fraction form
    328,916.82/453,905.25 = 178,013.82/x
  3. Step 3: Cross multiply
    328,916.82x = 453,905.25 × 178,013.82
  4. Step 4: Simplify right side
    328,916.82x = 80,801,407,470.56
  5. Step 5: Solve for x
    x = 80,801,407,470.56/328,916.82
  6. Step 6: Final answer
    x = 245,659.09

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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.