Home / 198,179.63-273,488.09-113,298.51

Finding the Fourth Proportional to 198,179.63, 273,488.09 and 113,298.51

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Solution

The fourth proportional to 198,179.63, 273,488.09 and 113,298.51 is: 156,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,179.63 : 273,488.09 = 113,298.51 : x
  2. Step 2: Convert to fraction form
    198,179.63/273,488.09 = 113,298.51/x
  3. Step 3: Cross multiply
    198,179.63x = 273,488.09 × 113,298.51
  4. Step 4: Simplify right side
    198,179.63x = 30,985,793,099.75
  5. Step 5: Solve for x
    x = 30,985,793,099.75/198,179.63
  6. Step 6: Final answer
    x = 156,352.06

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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.