Home / 133,613.56-200,419.93-54,727.80

Finding the Fourth Proportional to 133,613.56, 200,419.93 and 54,727.80

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Solution

The fourth proportional to 133,613.56, 200,419.93 and 54,727.80 is: 82,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,613.56 : 200,419.93 = 54,727.80 : x
  2. Step 2: Convert to fraction form
    133,613.56/200,419.93 = 54,727.80/x
  3. Step 3: Cross multiply
    133,613.56x = 200,419.93 × 54,727.80
  4. Step 4: Simplify right side
    133,613.56x = 10,968,541,845.05
  5. Step 5: Solve for x
    x = 10,968,541,845.05/133,613.56
  6. Step 6: Final answer
    x = 82,091.53

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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.