Home / 135,113.82-202,639.86-50,882.85

Finding the Fourth Proportional to 135,113.82, 202,639.86 and 50,882.85

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Solution

The fourth proportional to 135,113.82, 202,639.86 and 50,882.85 is: 76,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,113.82 : 202,639.86 = 50,882.85 : x
  2. Step 2: Convert to fraction form
    135,113.82/202,639.86 = 50,882.85/x
  3. Step 3: Cross multiply
    135,113.82x = 202,639.86 × 50,882.85
  4. Step 4: Simplify right side
    135,113.82x = 10,310,893,600.40
  5. Step 5: Solve for x
    x = 10,310,893,600.40/135,113.82
  6. Step 6: Final answer
    x = 76,312.65

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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.