Home / 198,248.67-273,583.55-113,365.73

Finding the Fourth Proportional to 198,248.67, 273,583.55 and 113,365.73

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Solution

The fourth proportional to 198,248.67, 273,583.55 and 113,365.73 is: 156,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,248.67 : 273,583.55 = 113,365.73 : x
  2. Step 2: Convert to fraction form
    198,248.67/273,583.55 = 113,365.73/x
  3. Step 3: Cross multiply
    198,248.67x = 273,583.55 × 113,365.73
  4. Step 4: Simplify right side
    198,248.67x = 31,014,999,829.11
  5. Step 5: Solve for x
    x = 31,014,999,829.11/198,248.67
  6. Step 6: Final answer
    x = 156,444.93

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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.