Home / 200,581.42-300,917.54-67,458.03

Finding the Fourth Proportional to 200,581.42, 300,917.54 and 67,458.03

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Solution

The fourth proportional to 200,581.42, 300,917.54 and 67,458.03 is: 101,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,581.42 : 300,917.54 = 67,458.03 : x
  2. Step 2: Convert to fraction form
    200,581.42/300,917.54 = 67,458.03/x
  3. Step 3: Cross multiply
    200,581.42x = 300,917.54 × 67,458.03
  4. Step 4: Simplify right side
    200,581.42x = 20,299,302,598.97
  5. Step 5: Solve for x
    x = 20,299,302,598.97/200,581.42
  6. Step 6: Final answer
    x = 101,202.31

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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.