Home / 140,204.64-193,481.42-76,542.44

Finding the Fourth Proportional to 140,204.64, 193,481.42 and 76,542.44

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Solution

The fourth proportional to 140,204.64, 193,481.42 and 76,542.44 is: 105,628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,204.64 : 193,481.42 = 76,542.44 : x
  2. Step 2: Convert to fraction form
    140,204.64/193,481.42 = 76,542.44/x
  3. Step 3: Cross multiply
    140,204.64x = 193,481.42 × 76,542.44
  4. Step 4: Simplify right side
    140,204.64x = 14,809,539,981.46
  5. Step 5: Solve for x
    x = 14,809,539,981.46/140,204.64
  6. Step 6: Final answer
    x = 105,628.03

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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.