Home / 198,026.22-273,290.64-113,141.46

Finding the Fourth Proportional to 198,026.22, 273,290.64 and 113,141.46

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Solution

The fourth proportional to 198,026.22, 273,290.64 and 113,141.46 is: 156,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,026.22 : 273,290.64 = 113,141.46 : x
  2. Step 2: Convert to fraction form
    198,026.22/273,290.64 = 113,141.46/x
  3. Step 3: Cross multiply
    198,026.22x = 273,290.64 × 113,141.46
  4. Step 4: Simplify right side
    198,026.22x = 30,920,502,013.93
  5. Step 5: Solve for x
    x = 30,920,502,013.93/198,026.22
  6. Step 6: Final answer
    x = 156,143.47

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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.