Home / 135,880.48-203,833.68-52,780.96

Finding the Fourth Proportional to 135,880.48, 203,833.68 and 52,780.96

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Solution

The fourth proportional to 135,880.48, 203,833.68 and 52,780.96 is: 79,176.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,880.48 : 203,833.68 = 52,780.96 : x
  2. Step 2: Convert to fraction form
    135,880.48/203,833.68 = 52,780.96/x
  3. Step 3: Cross multiply
    135,880.48x = 203,833.68 × 52,780.96
  4. Step 4: Simplify right side
    135,880.48x = 10,758,537,310.73
  5. Step 5: Solve for x
    x = 10,758,537,310.73/135,880.48
  6. Step 6: Final answer
    x = 79,176.47

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1.5x scale

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.