Home / 131,060.11-196,589.83-36,289.98

Finding the Fourth Proportional to 131,060.11, 196,589.83 and 36,289.98

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Solution

The fourth proportional to 131,060.11, 196,589.83 and 36,289.98 is: 54,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,060.11 : 196,589.83 = 36,289.98 : x
  2. Step 2: Convert to fraction form
    131,060.11/196,589.83 = 36,289.98/x
  3. Step 3: Cross multiply
    131,060.11x = 196,589.83 × 36,289.98
  4. Step 4: Simplify right side
    131,060.11x = 7,134,240,015.95
  5. Step 5: Solve for x
    x = 7,134,240,015.95/131,060.11
  6. Step 6: Final answer
    x = 54,434.87

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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.