Home / 193,066.88-266,442.96-108,211.20

Finding the Fourth Proportional to 193,066.88, 266,442.96 and 108,211.20

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Solution

The fourth proportional to 193,066.88, 266,442.96 and 108,211.20 is: 149,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,066.88 : 266,442.96 = 108,211.20 : x
  2. Step 2: Convert to fraction form
    193,066.88/266,442.96 = 108,211.20/x
  3. Step 3: Cross multiply
    193,066.88x = 266,442.96 × 108,211.20
  4. Step 4: Simplify right side
    193,066.88x = 28,832,112,433.15
  5. Step 5: Solve for x
    x = 28,832,112,433.15/193,066.88
  6. Step 6: Final answer
    x = 149,337.43

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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.