Home / 198,407.37-273,804.17-107,765.11

Finding the Fourth Proportional to 198,407.37, 273,804.17 and 107,765.11

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Solution

The fourth proportional to 198,407.37, 273,804.17 and 107,765.11 is: 148,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,407.37 : 273,804.17 = 107,765.11 : x
  2. Step 2: Convert to fraction form
    198,407.37/273,804.17 = 107,765.11/x
  3. Step 3: Cross multiply
    198,407.37x = 273,804.17 × 107,765.11
  4. Step 4: Simplify right side
    198,407.37x = 29,506,536,301.94
  5. Step 5: Solve for x
    x = 29,506,536,301.94/198,407.37
  6. Step 6: Final answer
    x = 148,716.93

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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.