Home / 193,549.45-290,211.18-75,082.36

Finding the Fourth Proportional to 193,549.45, 290,211.18 and 75,082.36

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Solution

The fourth proportional to 193,549.45, 290,211.18 and 75,082.36 is: 112,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,549.45 : 290,211.18 = 75,082.36 : x
  2. Step 2: Convert to fraction form
    193,549.45/290,211.18 = 75,082.36/x
  3. Step 3: Cross multiply
    193,549.45x = 290,211.18 × 75,082.36
  4. Step 4: Simplify right side
    193,549.45x = 21,789,740,292.78
  5. Step 5: Solve for x
    x = 21,789,740,292.78/193,549.45
  6. Step 6: Final answer
    x = 112,579.71

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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.