Home / 193,227.63-289,701.30-129,890.66

Finding the Fourth Proportional to 193,227.63, 289,701.30 and 129,890.66

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Solution

The fourth proportional to 193,227.63, 289,701.30 and 129,890.66 is: 194,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,227.63 : 289,701.30 = 129,890.66 : x
  2. Step 2: Convert to fraction form
    193,227.63/289,701.30 = 129,890.66/x
  3. Step 3: Cross multiply
    193,227.63x = 289,701.30 × 129,890.66
  4. Step 4: Simplify right side
    193,227.63x = 37,629,491,611.35
  5. Step 5: Solve for x
    x = 37,629,491,611.35/193,227.63
  6. Step 6: Final answer
    x = 194,741.77

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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.