Home / 193,540.38-290,318.28-60,420.66

Finding the Fourth Proportional to 193,540.38, 290,318.28 and 60,420.66

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Solution

The fourth proportional to 193,540.38, 290,318.28 and 60,420.66 is: 90,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,540.38 : 290,318.28 = 60,420.66 : x
  2. Step 2: Convert to fraction form
    193,540.38/290,318.28 = 60,420.66/x
  3. Step 3: Cross multiply
    193,540.38x = 290,318.28 × 60,420.66
  4. Step 4: Simplify right side
    193,540.38x = 17,541,222,087.66
  5. Step 5: Solve for x
    x = 17,541,222,087.66/193,540.38
  6. Step 6: Final answer
    x = 90,633.40

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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.