Home / 326,618.06-489,926.92-101,997.75

Finding the Fourth Proportional to 326,618.06, 489,926.92 and 101,997.75

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Solution

The fourth proportional to 326,618.06, 489,926.92 and 101,997.75 is: 152,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,618.06 : 489,926.92 = 101,997.75 : x
  2. Step 2: Convert to fraction form
    326,618.06/489,926.92 = 101,997.75/x
  3. Step 3: Cross multiply
    326,618.06x = 489,926.92 × 101,997.75
  4. Step 4: Simplify right side
    326,618.06x = 49,971,443,504.43
  5. Step 5: Solve for x
    x = 49,971,443,504.43/326,618.06
  6. Step 6: Final answer
    x = 152,996.57

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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.