Home / 303,968.07-419,526.96-205,806.78

Finding the Fourth Proportional to 303,968.07, 419,526.96 and 205,806.78

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Solution

The fourth proportional to 303,968.07, 419,526.96 and 205,806.78 is: 284,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,968.07 : 419,526.96 = 205,806.78 : x
  2. Step 2: Convert to fraction form
    303,968.07/419,526.96 = 205,806.78/x
  3. Step 3: Cross multiply
    303,968.07x = 419,526.96 × 205,806.78
  4. Step 4: Simplify right side
    303,968.07x = 86,341,492,760.79
  5. Step 5: Solve for x
    x = 86,341,492,760.79/303,968.07
  6. Step 6: Final answer
    x = 284,047.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.