Home / 230,969.07-318,561.41-198,757.38

Finding the Fourth Proportional to 230,969.07, 318,561.41 and 198,757.38

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Solution

The fourth proportional to 230,969.07, 318,561.41 and 198,757.38 is: 274,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,969.07 : 318,561.41 = 198,757.38 : x
  2. Step 2: Convert to fraction form
    230,969.07/318,561.41 = 198,757.38/x
  3. Step 3: Cross multiply
    230,969.07x = 318,561.41 × 198,757.38
  4. Step 4: Simplify right side
    230,969.07x = 63,316,430,967.15
  5. Step 5: Solve for x
    x = 63,316,430,967.15/230,969.07
  6. Step 6: Final answer
    x = 274,133.81

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1.5x scale

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.