Home / 174,635.45-261,734.17-74,678.34

Finding the Fourth Proportional to 174,635.45, 261,734.17 and 74,678.34

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Solution

The fourth proportional to 174,635.45, 261,734.17 and 74,678.34 is: 111,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,635.45 : 261,734.17 = 74,678.34 : x
  2. Step 2: Convert to fraction form
    174,635.45/261,734.17 = 74,678.34/x
  3. Step 3: Cross multiply
    174,635.45x = 261,734.17 × 74,678.34
  4. Step 4: Simplify right side
    174,635.45x = 19,545,873,336.88
  5. Step 5: Solve for x
    x = 19,545,873,336.88/174,635.45
  6. Step 6: Final answer
    x = 111,923.86

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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.