Home / 193,475.20-290,212.80-53,233.60

Finding the Fourth Proportional to 193,475.20, 290,212.80 and 53,233.60

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Solution

The fourth proportional to 193,475.20, 290,212.80 and 53,233.60 is: 79,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,475.20 : 290,212.80 = 53,233.60 : x
  2. Step 2: Convert to fraction form
    193,475.20/290,212.80 = 53,233.60/x
  3. Step 3: Cross multiply
    193,475.20x = 290,212.80 × 53,233.60
  4. Step 4: Simplify right side
    193,475.20x = 15,449,072,110.08
  5. Step 5: Solve for x
    x = 15,449,072,110.08/193,475.20
  6. Step 6: Final answer
    x = 79,850.40

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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.