Home / 174,519.06-261,763.92-69,309.78

Finding the Fourth Proportional to 174,519.06, 261,763.92 and 69,309.78

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Solution

The fourth proportional to 174,519.06, 261,763.92 and 69,309.78 is: 103,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,519.06 : 261,763.92 = 69,309.78 : x
  2. Step 2: Convert to fraction form
    174,519.06/261,763.92 = 69,309.78/x
  3. Step 3: Cross multiply
    174,519.06x = 261,763.92 × 69,309.78
  4. Step 4: Simplify right side
    174,519.06x = 18,142,799,707.14
  5. Step 5: Solve for x
    x = 18,142,799,707.14/174,519.06
  6. Step 6: Final answer
    x = 103,958.84

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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.