Home / 193,618.56-290,442.24-75,239.04

Finding the Fourth Proportional to 193,618.56, 290,442.24 and 75,239.04

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Solution

The fourth proportional to 193,618.56, 290,442.24 and 75,239.04 is: 112,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,618.56 : 290,442.24 = 75,239.04 : x
  2. Step 2: Convert to fraction form
    193,618.56/290,442.24 = 75,239.04/x
  3. Step 3: Cross multiply
    193,618.56x = 290,442.24 × 75,239.04
  4. Step 4: Simplify right side
    193,618.56x = 21,852,595,313.05
  5. Step 5: Solve for x
    x = 21,852,595,313.05/193,618.56
  6. Step 6: Final answer
    x = 112,864.16

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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.