Home / 198,198.63-273,741.35-130,518.27

Finding the Fourth Proportional to 198,198.63, 273,741.35 and 130,518.27

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Solution

The fourth proportional to 198,198.63, 273,741.35 and 130,518.27 is: 180,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,198.63 : 273,741.35 = 130,518.27 : x
  2. Step 2: Convert to fraction form
    198,198.63/273,741.35 = 130,518.27/x
  3. Step 3: Cross multiply
    198,198.63x = 273,741.35 × 130,518.27
  4. Step 4: Simplify right side
    198,198.63x = 35,728,246,776.87
  5. Step 5: Solve for x
    x = 35,728,246,776.87/198,198.63
  6. Step 6: Final answer
    x = 180,264.85

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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.