Home / 298,789.74-412,326.09-162,829.62

Finding the Fourth Proportional to 298,789.74, 412,326.09 and 162,829.62

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Solution

The fourth proportional to 298,789.74, 412,326.09 and 162,829.62 is: 224,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,789.74 : 412,326.09 = 162,829.62 : x
  2. Step 2: Convert to fraction form
    298,789.74/412,326.09 = 162,829.62/x
  3. Step 3: Cross multiply
    298,789.74x = 412,326.09 × 162,829.62
  4. Step 4: Simplify right side
    298,789.74x = 67,138,900,550.79
  5. Step 5: Solve for x
    x = 67,138,900,550.79/298,789.74
  6. Step 6: Final answer
    x = 224,702.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.