Home / 140,234.58-193,516.20-76,559.94

Finding the Fourth Proportional to 140,234.58, 193,516.20 and 76,559.94

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Solution

The fourth proportional to 140,234.58, 193,516.20 and 76,559.94 is: 105,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,234.58 : 193,516.20 = 76,559.94 : x
  2. Step 2: Convert to fraction form
    140,234.58/193,516.20 = 76,559.94/x
  3. Step 3: Cross multiply
    140,234.58x = 193,516.20 × 76,559.94
  4. Step 4: Simplify right side
    140,234.58x = 14,815,588,661.03
  5. Step 5: Solve for x
    x = 14,815,588,661.03/140,234.58
  6. Step 6: Final answer
    x = 105,648.61

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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.