Home / 251,566.40-377,349.60-111,252.80

Finding the Fourth Proportional to 251,566.40, 377,349.60 and 111,252.80

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Solution

The fourth proportional to 251,566.40, 377,349.60 and 111,252.80 is: 166,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,566.40 : 377,349.60 = 111,252.80 : x
  2. Step 2: Convert to fraction form
    251,566.40/377,349.60 = 111,252.80/x
  3. Step 3: Cross multiply
    251,566.40x = 377,349.60 × 111,252.80
  4. Step 4: Simplify right side
    251,566.40x = 41,981,199,578.88
  5. Step 5: Solve for x
    x = 41,981,199,578.88/251,566.40
  6. Step 6: Final answer
    x = 166,879.20

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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.