Home / 140,179.73-193,441.26-79,744.68

Finding the Fourth Proportional to 140,179.73, 193,441.26 and 79,744.68

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Solution

The fourth proportional to 140,179.73, 193,441.26 and 79,744.68 is: 110,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,179.73 : 193,441.26 = 79,744.68 : x
  2. Step 2: Convert to fraction form
    140,179.73/193,441.26 = 79,744.68/x
  3. Step 3: Cross multiply
    140,179.73x = 193,441.26 × 79,744.68
  4. Step 4: Simplify right side
    140,179.73x = 15,425,911,676.54
  5. Step 5: Solve for x
    x = 15,425,911,676.54/140,179.73
  6. Step 6: Final answer
    x = 110,043.81

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1.5x scale

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.