Home / 193,660.20-290,432.70-75,263.40

Finding the Fourth Proportional to 193,660.20, 290,432.70 and 75,263.40

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Solution

The fourth proportional to 193,660.20, 290,432.70 and 75,263.40 is: 112,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,660.20 : 290,432.70 = 75,263.40 : x
  2. Step 2: Convert to fraction form
    193,660.20/290,432.70 = 75,263.40/x
  3. Step 3: Cross multiply
    193,660.20x = 290,432.70 × 75,263.40
  4. Step 4: Simplify right side
    193,660.20x = 21,858,952,473.18
  5. Step 5: Solve for x
    x = 21,858,952,473.18/193,660.20
  6. Step 6: Final answer
    x = 112,872.71

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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.