Home / 351,974.90-528,060.76-115,483.65

Finding the Fourth Proportional to 351,974.90, 528,060.76 and 115,483.65

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Solution

The fourth proportional to 351,974.90, 528,060.76 and 115,483.65 is: 173,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,974.90 : 528,060.76 = 115,483.65 : x
  2. Step 2: Convert to fraction form
    351,974.90/528,060.76 = 115,483.65/x
  3. Step 3: Cross multiply
    351,974.90x = 528,060.76 × 115,483.65
  4. Step 4: Simplify right side
    351,974.90x = 60,982,383,986.57
  5. Step 5: Solve for x
    x = 60,982,383,986.57/351,974.90
  6. Step 6: Final answer
    x = 173,257.76

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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.