Home / 198,599.86-273,845.31-186,002.74

Finding the Fourth Proportional to 198,599.86, 273,845.31 and 186,002.74

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Solution

The fourth proportional to 198,599.86, 273,845.31 and 186,002.74 is: 256,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,599.86 : 273,845.31 = 186,002.74 : x
  2. Step 2: Convert to fraction form
    198,599.86/273,845.31 = 186,002.74/x
  3. Step 3: Cross multiply
    198,599.86x = 273,845.31 × 186,002.74
  4. Step 4: Simplify right side
    198,599.86x = 50,935,977,996.15
  5. Step 5: Solve for x
    x = 50,935,977,996.15/198,599.86
  6. Step 6: Final answer
    x = 256,475.40

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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.