Home / 135,757.29-187,346.35-75,333.56

Finding the Fourth Proportional to 135,757.29, 187,346.35 and 75,333.56

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Solution

The fourth proportional to 135,757.29, 187,346.35 and 75,333.56 is: 103,961.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,757.29 : 187,346.35 = 75,333.56 : x
  2. Step 2: Convert to fraction form
    135,757.29/187,346.35 = 75,333.56/x
  3. Step 3: Cross multiply
    135,757.29x = 187,346.35 × 75,333.56
  4. Step 4: Simplify right side
    135,757.29x = 14,113,466,655.94
  5. Step 5: Solve for x
    x = 14,113,466,655.94/135,757.29
  6. Step 6: Final answer
    x = 103,961.02

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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.