Home / 198,484.60-273,951.48-122,068.43

Finding the Fourth Proportional to 198,484.60, 273,951.48 and 122,068.43

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Solution

The fourth proportional to 198,484.60, 273,951.48 and 122,068.43 is: 168,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,484.60 : 273,951.48 = 122,068.43 : x
  2. Step 2: Convert to fraction form
    198,484.60/273,951.48 = 122,068.43/x
  3. Step 3: Cross multiply
    198,484.60x = 273,951.48 × 122,068.43
  4. Step 4: Simplify right side
    198,484.60x = 33,440,827,045.36
  5. Step 5: Solve for x
    x = 33,440,827,045.36/198,484.60
  6. Step 6: Final answer
    x = 168,480.71

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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.