Home / 117,589.20-176,556.60-70,933.20

Finding the Fourth Proportional to 117,589.20, 176,556.60 and 70,933.20

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Solution

The fourth proportional to 117,589.20, 176,556.60 and 70,933.20 is: 106,504.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,589.20 : 176,556.60 = 70,933.20 : x
  2. Step 2: Convert to fraction form
    117,589.20/176,556.60 = 70,933.20/x
  3. Step 3: Cross multiply
    117,589.20x = 176,556.60 × 70,933.20
  4. Step 4: Simplify right side
    117,589.20x = 12,523,724,619.12
  5. Step 5: Solve for x
    x = 12,523,724,619.12/117,589.20
  6. Step 6: Final answer
    x = 106,504.04

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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.