Home / 193,188.04-289,757.42-74,778.36

Finding the Fourth Proportional to 193,188.04, 289,757.42 and 74,778.36

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Solution

The fourth proportional to 193,188.04, 289,757.42 and 74,778.36 is: 112,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,188.04 : 289,757.42 = 74,778.36 : x
  2. Step 2: Convert to fraction form
    193,188.04/289,757.42 = 74,778.36/x
  3. Step 3: Cross multiply
    193,188.04x = 289,757.42 × 74,778.36
  4. Step 4: Simplify right side
    193,188.04x = 21,667,584,665.43
  5. Step 5: Solve for x
    x = 21,667,584,665.43/193,188.04
  6. Step 6: Final answer
    x = 112,158.00

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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.