Home / 198,178.99-273,557.92-117,606.50

Finding the Fourth Proportional to 198,178.99, 273,557.92 and 117,606.50

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Solution

The fourth proportional to 198,178.99, 273,557.92 and 117,606.50 is: 162,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,178.99 : 273,557.92 = 117,606.50 : x
  2. Step 2: Convert to fraction form
    198,178.99/273,557.92 = 117,606.50/x
  3. Step 3: Cross multiply
    198,178.99x = 273,557.92 × 117,606.50
  4. Step 4: Simplify right side
    198,178.99x = 32,172,189,518.48
  5. Step 5: Solve for x
    x = 32,172,189,518.48/198,178.99
  6. Step 6: Final answer
    x = 162,339.05

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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.