Home / 129,379.73-194,003.93-59,198.90

Finding the Fourth Proportional to 129,379.73, 194,003.93 and 59,198.90

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Solution

The fourth proportional to 129,379.73, 194,003.93 and 59,198.90 is: 88,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,379.73 : 194,003.93 = 59,198.90 : x
  2. Step 2: Convert to fraction form
    129,379.73/194,003.93 = 59,198.90/x
  3. Step 3: Cross multiply
    129,379.73x = 194,003.93 × 59,198.90
  4. Step 4: Simplify right side
    129,379.73x = 11,484,817,985.66
  5. Step 5: Solve for x
    x = 11,484,817,985.66/129,379.73
  6. Step 6: Final answer
    x = 88,768.30

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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.