Home / 252,046.26-378,133.83-83,613.60

Finding the Fourth Proportional to 252,046.26, 378,133.83 and 83,613.60

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Solution

The fourth proportional to 252,046.26, 378,133.83 and 83,613.60 is: 125,441.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,046.26 : 378,133.83 = 83,613.60 : x
  2. Step 2: Convert to fraction form
    252,046.26/378,133.83 = 83,613.60/x
  3. Step 3: Cross multiply
    252,046.26x = 378,133.83 × 83,613.60
  4. Step 4: Simplify right side
    252,046.26x = 31,617,130,808.09
  5. Step 5: Solve for x
    x = 31,617,130,808.09/252,046.26
  6. Step 6: Final answer
    x = 125,441.78

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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.