Home / 130,954.20-196,139.70-107,626.20

Finding the Fourth Proportional to 130,954.20, 196,139.70 and 107,626.20

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Solution

The fourth proportional to 130,954.20, 196,139.70 and 107,626.20 is: 161,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,954.20 : 196,139.70 = 107,626.20 : x
  2. Step 2: Convert to fraction form
    130,954.20/196,139.70 = 107,626.20/x
  3. Step 3: Cross multiply
    130,954.20x = 196,139.70 × 107,626.20
  4. Step 4: Simplify right side
    130,954.20x = 21,109,770,580.14
  5. Step 5: Solve for x
    x = 21,109,770,580.14/130,954.20
  6. Step 6: Final answer
    x = 161,199.65

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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.