Home / 174,558.90-261,839.20-69,378.14

Finding the Fourth Proportional to 174,558.90, 261,839.20 and 69,378.14

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Solution

The fourth proportional to 174,558.90, 261,839.20 and 69,378.14 is: 104,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,558.90 : 261,839.20 = 69,378.14 : x
  2. Step 2: Convert to fraction form
    174,558.90/261,839.20 = 69,378.14/x
  3. Step 3: Cross multiply
    174,558.90x = 261,839.20 × 69,378.14
  4. Step 4: Simplify right side
    174,558.90x = 18,165,916,675.09
  5. Step 5: Solve for x
    x = 18,165,916,675.09/174,558.90
  6. Step 6: Final answer
    x = 104,067.55

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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.