Home / 328,837.54-493,273.30-104,221.84

Finding the Fourth Proportional to 328,837.54, 493,273.30 and 104,221.84

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Solution

The fourth proportional to 328,837.54, 493,273.30 and 104,221.84 is: 156,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,837.54 : 493,273.30 = 104,221.84 : x
  2. Step 2: Convert to fraction form
    328,837.54/493,273.30 = 104,221.84/x
  3. Step 3: Cross multiply
    328,837.54x = 493,273.30 × 104,221.84
  4. Step 4: Simplify right side
    328,837.54x = 51,409,850,948.87
  5. Step 5: Solve for x
    x = 51,409,850,948.87/328,837.54
  6. Step 6: Final answer
    x = 156,338.14

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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.