Home / 135,548.33-187,057.08-75,119.94

Finding the Fourth Proportional to 135,548.33, 187,057.08 and 75,119.94

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Solution

The fourth proportional to 135,548.33, 187,057.08 and 75,119.94 is: 103,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,548.33 : 187,057.08 = 75,119.94 : x
  2. Step 2: Convert to fraction form
    135,548.33/187,057.08 = 75,119.94/x
  3. Step 3: Cross multiply
    135,548.33x = 187,057.08 × 75,119.94
  4. Step 4: Simplify right side
    135,548.33x = 14,051,716,626.18
  5. Step 5: Solve for x
    x = 14,051,716,626.18/135,548.33
  6. Step 6: Final answer
    x = 103,665.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.