Home / 131,332.20-196,706.70-108,004.20

Finding the Fourth Proportional to 131,332.20, 196,706.70 and 108,004.20

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Solution

The fourth proportional to 131,332.20, 196,706.70 and 108,004.20 is: 161,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,332.20 : 196,706.70 = 108,004.20 : x
  2. Step 2: Convert to fraction form
    131,332.20/196,706.70 = 108,004.20/x
  3. Step 3: Cross multiply
    131,332.20x = 196,706.70 × 108,004.20
  4. Step 4: Simplify right side
    131,332.20x = 21,245,149,768.14
  5. Step 5: Solve for x
    x = 21,245,149,768.14/131,332.20
  6. Step 6: Final answer
    x = 161,766.50

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1.5x scale

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.