Home / 351,974.78-528,060.57-115,483.52

Finding the Fourth Proportional to 351,974.78, 528,060.57 and 115,483.52

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Solution

The fourth proportional to 351,974.78, 528,060.57 and 115,483.52 is: 173,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,974.78 : 528,060.57 = 115,483.52 : x
  2. Step 2: Convert to fraction form
    351,974.78/528,060.57 = 115,483.52/x
  3. Step 3: Cross multiply
    351,974.78x = 528,060.57 × 115,483.52
  4. Step 4: Simplify right side
    351,974.78x = 60,982,293,396.81
  5. Step 5: Solve for x
    x = 60,982,293,396.81/351,974.78
  6. Step 6: Final answer
    x = 173,257.57

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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.