Home / 189,632.06-261,700.20-109,059.65

Finding the Fourth Proportional to 189,632.06, 261,700.20 and 109,059.65

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Solution

The fourth proportional to 189,632.06, 261,700.20 and 109,059.65 is: 150,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,632.06 : 261,700.20 = 109,059.65 : x
  2. Step 2: Convert to fraction form
    189,632.06/261,700.20 = 109,059.65/x
  3. Step 3: Cross multiply
    189,632.06x = 261,700.20 × 109,059.65
  4. Step 4: Simplify right side
    189,632.06x = 28,540,933,453.95
  5. Step 5: Solve for x
    x = 28,540,933,453.95/189,632.06
  6. Step 6: Final answer
    x = 150,506.90

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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.