Home / 129,985.98-194,985.88-41,246.42

Finding the Fourth Proportional to 129,985.98, 194,985.88 and 41,246.42

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Solution

The fourth proportional to 129,985.98, 194,985.88 and 41,246.42 is: 61,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,985.98 : 194,985.88 = 41,246.42 : x
  2. Step 2: Convert to fraction form
    129,985.98/194,985.88 = 41,246.42/x
  3. Step 3: Cross multiply
    129,985.98x = 194,985.88 × 41,246.42
  4. Step 4: Simplify right side
    129,985.98x = 8,042,469,500.55
  5. Step 5: Solve for x
    x = 8,042,469,500.55/129,985.98
  6. Step 6: Final answer
    x = 61,871.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.