Home / 231,913.35-347,878.94-82,154.07

Finding the Fourth Proportional to 231,913.35, 347,878.94 and 82,154.07

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Solution

The fourth proportional to 231,913.35, 347,878.94 and 82,154.07 is: 123,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,913.35 : 347,878.94 = 82,154.07 : x
  2. Step 2: Convert to fraction form
    231,913.35/347,878.94 = 82,154.07/x
  3. Step 3: Cross multiply
    231,913.35x = 347,878.94 × 82,154.07
  4. Step 4: Simplify right side
    231,913.35x = 28,579,670,377.52
  5. Step 5: Solve for x
    x = 28,579,670,377.52/231,913.35
  6. Step 6: Final answer
    x = 123,234.26

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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.