Home / 140,930.22-194,489.73-84,330.66

Finding the Fourth Proportional to 140,930.22, 194,489.73 and 84,330.66

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Solution

The fourth proportional to 140,930.22, 194,489.73 and 84,330.66 is: 116,379.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,930.22 : 194,489.73 = 84,330.66 : x
  2. Step 2: Convert to fraction form
    140,930.22/194,489.73 = 84,330.66/x
  3. Step 3: Cross multiply
    140,930.22x = 194,489.73 × 84,330.66
  4. Step 4: Simplify right side
    140,930.22x = 16,401,447,294.12
  5. Step 5: Solve for x
    x = 16,401,447,294.12/140,930.22
  6. Step 6: Final answer
    x = 116,379.92

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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.