Home / 193,541.28-290,237.28-75,197.04

Finding the Fourth Proportional to 193,541.28, 290,237.28 and 75,197.04

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Solution

The fourth proportional to 193,541.28, 290,237.28 and 75,197.04 is: 112,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,541.28 : 290,237.28 = 75,197.04 : x
  2. Step 2: Convert to fraction form
    193,541.28/290,237.28 = 75,197.04/x
  3. Step 3: Cross multiply
    193,541.28x = 290,237.28 × 75,197.04
  4. Step 4: Simplify right side
    193,541.28x = 21,824,984,353.65
  5. Step 5: Solve for x
    x = 21,824,984,353.65/193,541.28
  6. Step 6: Final answer
    x = 112,766.56

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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.