Home / 140,912.42-194,461.65-76,383.77

Finding the Fourth Proportional to 140,912.42, 194,461.65 and 76,383.77

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Solution

The fourth proportional to 140,912.42, 194,461.65 and 76,383.77 is: 105,410.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,912.42 : 194,461.65 = 76,383.77 : x
  2. Step 2: Convert to fraction form
    140,912.42/194,461.65 = 76,383.77/x
  3. Step 3: Cross multiply
    140,912.42x = 194,461.65 × 76,383.77
  4. Step 4: Simplify right side
    140,912.42x = 14,853,713,947.42
  5. Step 5: Solve for x
    x = 14,853,713,947.42/140,912.42
  6. Step 6: Final answer
    x = 105,410.96

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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.