Home / 140,449.50-193,805.10-83,090.96

Finding the Fourth Proportional to 140,449.50, 193,805.10 and 83,090.96

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Solution

The fourth proportional to 140,449.50, 193,805.10 and 83,090.96 is: 114,656.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,449.50 : 193,805.10 = 83,090.96 : x
  2. Step 2: Convert to fraction form
    140,449.50/193,805.10 = 83,090.96/x
  3. Step 3: Cross multiply
    140,449.50x = 193,805.10 × 83,090.96
  4. Step 4: Simplify right side
    140,449.50x = 16,103,451,811.90
  5. Step 5: Solve for x
    x = 16,103,451,811.90/140,449.50
  6. Step 6: Final answer
    x = 114,656.53

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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.