Home / 140,455.94-193,830.00-76,793.73

Finding the Fourth Proportional to 140,455.94, 193,830.00 and 76,793.73

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Solution

The fourth proportional to 140,455.94, 193,830.00 and 76,793.73 is: 105,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,455.94 : 193,830.00 = 76,793.73 : x
  2. Step 2: Convert to fraction form
    140,455.94/193,830.00 = 76,793.73/x
  3. Step 3: Cross multiply
    140,455.94x = 193,830.00 × 76,793.73
  4. Step 4: Simplify right side
    140,455.94x = 14,884,929,193.32
  5. Step 5: Solve for x
    x = 14,884,929,193.32/140,455.94
  6. Step 6: Final answer
    x = 105,975.79

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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.