Home / 198,143.01-273,437.31-113,261.90

Finding the Fourth Proportional to 198,143.01, 273,437.31 and 113,261.90

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Solution

The fourth proportional to 198,143.01, 273,437.31 and 113,261.90 is: 156,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,143.01 : 273,437.31 = 113,261.90 : x
  2. Step 2: Convert to fraction form
    198,143.01/273,437.31 = 113,261.90/x
  3. Step 3: Cross multiply
    198,143.01x = 273,437.31 × 113,261.90
  4. Step 4: Simplify right side
    198,143.01x = 30,970,029,261.49
  5. Step 5: Solve for x
    x = 30,970,029,261.49/198,143.01
  6. Step 6: Final answer
    x = 156,301.40

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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.