Home / 198,461.12-273,881.59-113,605.52

Finding the Fourth Proportional to 198,461.12, 273,881.59 and 113,605.52

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Solution

The fourth proportional to 198,461.12, 273,881.59 and 113,605.52 is: 156,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,461.12 : 273,881.59 = 113,605.52 : x
  2. Step 2: Convert to fraction form
    198,461.12/273,881.59 = 113,605.52/x
  3. Step 3: Cross multiply
    198,461.12x = 273,881.59 × 113,605.52
  4. Step 4: Simplify right side
    198,461.12x = 31,114,458,796.96
  5. Step 5: Solve for x
    x = 31,114,458,796.96/198,461.12
  6. Step 6: Final answer
    x = 156,778.62

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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.