Home / 194,251.45-268,079.35-117,777.87

Finding the Fourth Proportional to 194,251.45, 268,079.35 and 117,777.87

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Solution

The fourth proportional to 194,251.45, 268,079.35 and 117,777.87 is: 162,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,251.45 : 268,079.35 = 117,777.87 : x
  2. Step 2: Convert to fraction form
    194,251.45/268,079.35 = 117,777.87/x
  3. Step 3: Cross multiply
    194,251.45x = 268,079.35 × 117,777.87
  4. Step 4: Simplify right side
    194,251.45x = 31,573,814,833.98
  5. Step 5: Solve for x
    x = 31,573,814,833.98/194,251.45
  6. Step 6: Final answer
    x = 162,540.95

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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.