Home / 177,566.88-245,049.60-102,115.38

Finding the Fourth Proportional to 177,566.88, 245,049.60 and 102,115.38

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Solution

The fourth proportional to 177,566.88, 245,049.60 and 102,115.38 is: 140,923.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,566.88 : 245,049.60 = 102,115.38 : x
  2. Step 2: Convert to fraction form
    177,566.88/245,049.60 = 102,115.38/x
  3. Step 3: Cross multiply
    177,566.88x = 245,049.60 × 102,115.38
  4. Step 4: Simplify right side
    177,566.88x = 25,023,333,022.85
  5. Step 5: Solve for x
    x = 25,023,333,022.85/177,566.88
  6. Step 6: Final answer
    x = 140,923.43

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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.