Home / 145,241.38-217,884.26-74,125.27

Finding the Fourth Proportional to 145,241.38, 217,884.26 and 74,125.27

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Solution

The fourth proportional to 145,241.38, 217,884.26 and 74,125.27 is: 111,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,241.38 : 217,884.26 = 74,125.27 : x
  2. Step 2: Convert to fraction form
    145,241.38/217,884.26 = 74,125.27/x
  3. Step 3: Cross multiply
    145,241.38x = 217,884.26 × 74,125.27
  4. Step 4: Simplify right side
    145,241.38x = 16,150,729,601.25
  5. Step 5: Solve for x
    x = 16,150,729,601.25/145,241.38
  6. Step 6: Final answer
    x = 111,199.23

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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.