Home / 308,798.15-463,149.83-84,176.60

Finding the Fourth Proportional to 308,798.15, 463,149.83 and 84,176.60

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Solution

The fourth proportional to 308,798.15, 463,149.83 and 84,176.60 is: 126,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,798.15 : 463,149.83 = 84,176.60 : x
  2. Step 2: Convert to fraction form
    308,798.15/463,149.83 = 84,176.60/x
  3. Step 3: Cross multiply
    308,798.15x = 463,149.83 × 84,176.60
  4. Step 4: Simplify right side
    308,798.15x = 38,986,375,243.35
  5. Step 5: Solve for x
    x = 38,986,375,243.35/308,798.15
  6. Step 6: Final answer
    x = 126,251.97

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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.