Home / 140,309.92-193,620.44-76,635.42

Finding the Fourth Proportional to 140,309.92, 193,620.44 and 76,635.42

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Solution

The fourth proportional to 140,309.92, 193,620.44 and 76,635.42 is: 105,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,309.92 : 193,620.44 = 76,635.42 : x
  2. Step 2: Convert to fraction form
    140,309.92/193,620.44 = 76,635.42/x
  3. Step 3: Cross multiply
    140,309.92x = 193,620.44 × 76,635.42
  4. Step 4: Simplify right side
    140,309.92x = 14,838,183,205.50
  5. Step 5: Solve for x
    x = 14,838,183,205.50/140,309.92
  6. Step 6: Final answer
    x = 105,752.92

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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.