Home / 166,578.06-229,879.62-90,098.70

Finding the Fourth Proportional to 166,578.06, 229,879.62 and 90,098.70

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Solution

The fourth proportional to 166,578.06, 229,879.62 and 90,098.70 is: 124,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,578.06 : 229,879.62 = 90,098.70 : x
  2. Step 2: Convert to fraction form
    166,578.06/229,879.62 = 90,098.70/x
  3. Step 3: Cross multiply
    166,578.06x = 229,879.62 × 90,098.70
  4. Step 4: Simplify right side
    166,578.06x = 20,711,854,918.49
  5. Step 5: Solve for x
    x = 20,711,854,918.49/166,578.06
  6. Step 6: Final answer
    x = 124,337.23

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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.