Home / 199,546.57-275,380.67-113,503.33

Finding the Fourth Proportional to 199,546.57, 275,380.67 and 113,503.33

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Solution

The fourth proportional to 199,546.57, 275,380.67 and 113,503.33 is: 156,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,546.57 : 275,380.67 = 113,503.33 : x
  2. Step 2: Convert to fraction form
    199,546.57/275,380.67 = 113,503.33/x
  3. Step 3: Cross multiply
    199,546.57x = 275,380.67 × 113,503.33
  4. Step 4: Simplify right side
    199,546.57x = 31,256,621,118.21
  5. Step 5: Solve for x
    x = 31,256,621,118.21/199,546.57
  6. Step 6: Final answer
    x = 156,638.23

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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.