Home / 114,379.04-171,378.88-80,933.32

Finding the Fourth Proportional to 114,379.04, 171,378.88 and 80,933.32

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Solution

The fourth proportional to 114,379.04, 171,378.88 and 80,933.32 is: 121,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,379.04 : 171,378.88 = 80,933.32 : x
  2. Step 2: Convert to fraction form
    114,379.04/171,378.88 = 80,933.32/x
  3. Step 3: Cross multiply
    114,379.04x = 171,378.88 × 80,933.32
  4. Step 4: Simplify right side
    114,379.04x = 13,870,261,736.28
  5. Step 5: Solve for x
    x = 13,870,261,736.28/114,379.04
  6. Step 6: Final answer
    x = 121,265.76

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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.