Home / 140,694.04-194,157.82-77,035.88

Finding the Fourth Proportional to 140,694.04, 194,157.82 and 77,035.88

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Solution

The fourth proportional to 140,694.04, 194,157.82 and 77,035.88 is: 106,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,694.04 : 194,157.82 = 77,035.88 : x
  2. Step 2: Convert to fraction form
    140,694.04/194,157.82 = 77,035.88/x
  3. Step 3: Cross multiply
    140,694.04x = 194,157.82 × 77,035.88
  4. Step 4: Simplify right side
    140,694.04x = 14,957,118,522.58
  5. Step 5: Solve for x
    x = 14,957,118,522.58/140,694.04
  6. Step 6: Final answer
    x = 106,309.54

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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.