Home / 193,227.73-289,701.46-129,890.74

Finding the Fourth Proportional to 193,227.73, 289,701.46 and 129,890.74

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Solution

The fourth proportional to 193,227.73, 289,701.46 and 129,890.74 is: 194,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,227.73 : 289,701.46 = 129,890.74 : x
  2. Step 2: Convert to fraction form
    193,227.73/289,701.46 = 129,890.74/x
  3. Step 3: Cross multiply
    193,227.73x = 289,701.46 × 129,890.74
  4. Step 4: Simplify right side
    193,227.73x = 37,629,536,999.78
  5. Step 5: Solve for x
    x = 37,629,536,999.78/193,227.73
  6. Step 6: Final answer
    x = 194,741.91

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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.