Home / 135,512.60-202,880.10-131,624.60

Finding the Fourth Proportional to 135,512.60, 202,880.10 and 131,624.60

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Solution

The fourth proportional to 135,512.60, 202,880.10 and 131,624.60 is: 197,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,512.60 : 202,880.10 = 131,624.60 : x
  2. Step 2: Convert to fraction form
    135,512.60/202,880.10 = 131,624.60/x
  3. Step 3: Cross multiply
    135,512.60x = 202,880.10 × 131,624.60
  4. Step 4: Simplify right side
    135,512.60x = 26,704,012,010.46
  5. Step 5: Solve for x
    x = 26,704,012,010.46/135,512.60
  6. Step 6: Final answer
    x = 197,059.26

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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.