Home / 140,486.24-193,864.84-80,069.96

Finding the Fourth Proportional to 140,486.24, 193,864.84 and 80,069.96

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Solution

The fourth proportional to 140,486.24, 193,864.84 and 80,069.96 is: 110,493.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,486.24 : 193,864.84 = 80,069.96 : x
  2. Step 2: Convert to fraction form
    140,486.24/193,864.84 = 80,069.96/x
  3. Step 3: Cross multiply
    140,486.24x = 193,864.84 × 80,069.96
  4. Step 4: Simplify right side
    140,486.24x = 15,522,749,984.21
  5. Step 5: Solve for x
    x = 15,522,749,984.21/140,486.24
  6. Step 6: Final answer
    x = 110,493.03

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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.