Home / 140,911.98-194,237.64-106,783.85

Finding the Fourth Proportional to 140,911.98, 194,237.64 and 106,783.85

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Solution

The fourth proportional to 140,911.98, 194,237.64 and 106,783.85 is: 147,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,911.98 : 194,237.64 = 106,783.85 : x
  2. Step 2: Convert to fraction form
    140,911.98/194,237.64 = 106,783.85/x
  3. Step 3: Cross multiply
    140,911.98x = 194,237.64 × 106,783.85
  4. Step 4: Simplify right side
    140,911.98x = 20,741,442,042.93
  5. Step 5: Solve for x
    x = 20,741,442,042.93/140,911.98
  6. Step 6: Final answer
    x = 147,194.31

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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.