Home / 199,800.40-275,163.24-195,445.84

Finding the Fourth Proportional to 199,800.40, 275,163.24 and 195,445.84

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Solution

The fourth proportional to 199,800.40, 275,163.24 and 195,445.84 is: 269,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,800.40 : 275,163.24 = 195,445.84 : x
  2. Step 2: Convert to fraction form
    199,800.40/275,163.24 = 195,445.84/x
  3. Step 3: Cross multiply
    199,800.40x = 275,163.24 × 195,445.84
  4. Step 4: Simplify right side
    199,800.40x = 53,779,510,578.92
  5. Step 5: Solve for x
    x = 53,779,510,578.92/199,800.40
  6. Step 6: Final answer
    x = 269,166.18

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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.