Home / 135,176.70-202,438.14-131,633.76

Finding the Fourth Proportional to 135,176.70, 202,438.14 and 131,633.76

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Solution

The fourth proportional to 135,176.70, 202,438.14 and 131,633.76 is: 197,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,176.70 : 202,438.14 = 131,633.76 : x
  2. Step 2: Convert to fraction form
    135,176.70/202,438.14 = 131,633.76/x
  3. Step 3: Cross multiply
    135,176.70x = 202,438.14 × 131,633.76
  4. Step 4: Simplify right side
    135,176.70x = 26,647,693,535.61
  5. Step 5: Solve for x
    x = 26,647,693,535.61/135,176.70
  6. Step 6: Final answer
    x = 197,132.30

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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.