Home / 193,676.96-290,441.64-75,334.16

Finding the Fourth Proportional to 193,676.96, 290,441.64 and 75,334.16

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Solution

The fourth proportional to 193,676.96, 290,441.64 and 75,334.16 is: 112,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,676.96 : 290,441.64 = 75,334.16 : x
  2. Step 2: Convert to fraction form
    193,676.96/290,441.64 = 75,334.16/x
  3. Step 3: Cross multiply
    193,676.96x = 290,441.64 × 75,334.16
  4. Step 4: Simplify right side
    193,676.96x = 21,880,176,978.42
  5. Step 5: Solve for x
    x = 21,880,176,978.42/193,676.96
  6. Step 6: Final answer
    x = 112,972.53

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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.