Home / 198,428.15-273,874.18-122,013.01

Finding the Fourth Proportional to 198,428.15, 273,874.18 and 122,013.01

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Solution

The fourth proportional to 198,428.15, 273,874.18 and 122,013.01 is: 168,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,428.15 : 273,874.18 = 122,013.01 : x
  2. Step 2: Convert to fraction form
    198,428.15/273,874.18 = 122,013.01/x
  3. Step 3: Cross multiply
    198,428.15x = 273,874.18 × 122,013.01
  4. Step 4: Simplify right side
    198,428.15x = 33,416,213,063.08
  5. Step 5: Solve for x
    x = 33,416,213,063.08/198,428.15
  6. Step 6: Final answer
    x = 168,404.60

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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.