Home / 193,511.25-290,285.22-75,191.73

Finding the Fourth Proportional to 193,511.25, 290,285.22 and 75,191.73

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Solution

The fourth proportional to 193,511.25, 290,285.22 and 75,191.73 is: 112,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,511.25 : 290,285.22 = 75,191.73 : x
  2. Step 2: Convert to fraction form
    193,511.25/290,285.22 = 75,191.73/x
  3. Step 3: Cross multiply
    193,511.25x = 290,285.22 × 75,191.73
  4. Step 4: Simplify right side
    193,511.25x = 21,827,047,885.23
  5. Step 5: Solve for x
    x = 21,827,047,885.23/193,511.25
  6. Step 6: Final answer
    x = 112,794.72

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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.