Home / 328,834.73-493,274.39-115,576.72

Finding the Fourth Proportional to 328,834.73, 493,274.39 and 115,576.72

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Solution

The fourth proportional to 328,834.73, 493,274.39 and 115,576.72 is: 173,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,834.73 : 493,274.39 = 115,576.72 : x
  2. Step 2: Convert to fraction form
    328,834.73/493,274.39 = 115,576.72/x
  3. Step 3: Cross multiply
    328,834.73x = 493,274.39 × 115,576.72
  4. Step 4: Simplify right side
    328,834.73x = 57,011,034,245.13
  5. Step 5: Solve for x
    x = 57,011,034,245.13/328,834.73
  6. Step 6: Final answer
    x = 173,372.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.