Home / 188,882.12-260,615.14-158,378.60

Finding the Fourth Proportional to 188,882.12, 260,615.14 and 158,378.60

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Solution

The fourth proportional to 188,882.12, 260,615.14 and 158,378.60 is: 218,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,882.12 : 260,615.14 = 158,378.60 : x
  2. Step 2: Convert to fraction form
    188,882.12/260,615.14 = 158,378.60/x
  3. Step 3: Cross multiply
    188,882.12x = 260,615.14 × 158,378.60
  4. Step 4: Simplify right side
    188,882.12x = 41,275,861,267.60
  5. Step 5: Solve for x
    x = 41,275,861,267.60/188,882.12
  6. Step 6: Final answer
    x = 218,527.09

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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.