Home / 262,701.19-393,804.92-198,561.25

Finding the Fourth Proportional to 262,701.19, 393,804.92 and 198,561.25

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Solution

The fourth proportional to 262,701.19, 393,804.92 and 198,561.25 is: 297,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,701.19 : 393,804.92 = 198,561.25 : x
  2. Step 2: Convert to fraction form
    262,701.19/393,804.92 = 198,561.25/x
  3. Step 3: Cross multiply
    262,701.19x = 393,804.92 × 198,561.25
  4. Step 4: Simplify right side
    262,701.19x = 78,194,396,178.54
  5. Step 5: Solve for x
    x = 78,194,396,178.54/262,701.19
  6. Step 6: Final answer
    x = 297,655.28

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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.