Home / 129,391.98-194,087.85-58,231.44

Finding the Fourth Proportional to 129,391.98, 194,087.85 and 58,231.44

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Solution

The fourth proportional to 129,391.98, 194,087.85 and 58,231.44 is: 87,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,391.98 : 194,087.85 = 58,231.44 : x
  2. Step 2: Convert to fraction form
    129,391.98/194,087.85 = 58,231.44/x
  3. Step 3: Cross multiply
    129,391.98x = 194,087.85 × 58,231.44
  4. Step 4: Simplify right side
    129,391.98x = 11,302,014,992.00
  5. Step 5: Solve for x
    x = 11,302,014,992.00/129,391.98
  6. Step 6: Final answer
    x = 87,347.11

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1.5x scale

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.