Home / 135,747.28-187,353.72-75,337.33

Finding the Fourth Proportional to 135,747.28, 187,353.72 and 75,337.33

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Solution

The fourth proportional to 135,747.28, 187,353.72 and 75,337.33 is: 103,977.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,747.28 : 187,353.72 = 75,337.33 : x
  2. Step 2: Convert to fraction form
    135,747.28/187,353.72 = 75,337.33/x
  3. Step 3: Cross multiply
    135,747.28x = 187,353.72 × 75,337.33
  4. Step 4: Simplify right side
    135,747.28x = 14,114,729,030.37
  5. Step 5: Solve for x
    x = 14,114,729,030.37/135,747.28
  6. Step 6: Final answer
    x = 103,977.99

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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.