Home / 116,619.58-160,928.35-65,634.43

Finding the Fourth Proportional to 116,619.58, 160,928.35 and 65,634.43

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Solution

The fourth proportional to 116,619.58, 160,928.35 and 65,634.43 is: 90,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,619.58 : 160,928.35 = 65,634.43 : x
  2. Step 2: Convert to fraction form
    116,619.58/160,928.35 = 65,634.43/x
  3. Step 3: Cross multiply
    116,619.58x = 160,928.35 × 65,634.43
  4. Step 4: Simplify right side
    116,619.58x = 10,562,440,523.09
  5. Step 5: Solve for x
    x = 10,562,440,523.09/116,619.58
  6. Step 6: Final answer
    x = 90,571.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.