Home / 198,126.46-273,342.76-130,180.03

Finding the Fourth Proportional to 198,126.46, 273,342.76 and 130,180.03

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Solution

The fourth proportional to 198,126.46, 273,342.76 and 130,180.03 is: 179,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,126.46 : 273,342.76 = 130,180.03 : x
  2. Step 2: Convert to fraction form
    198,126.46/273,342.76 = 130,180.03/x
  3. Step 3: Cross multiply
    198,126.46x = 273,342.76 × 130,180.03
  4. Step 4: Simplify right side
    198,126.46x = 35,583,768,697.08
  5. Step 5: Solve for x
    x = 35,583,768,697.08/198,126.46
  6. Step 6: Final answer
    x = 179,601.29

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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.