Home / 131,704.20-197,264.70-108,376.20

Finding the Fourth Proportional to 131,704.20, 197,264.70 and 108,376.20

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Solution

The fourth proportional to 131,704.20, 197,264.70 and 108,376.20 is: 162,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,704.20 : 197,264.70 = 108,376.20 : x
  2. Step 2: Convert to fraction form
    131,704.20/197,264.70 = 108,376.20/x
  3. Step 3: Cross multiply
    131,704.20x = 197,264.70 × 108,376.20
  4. Step 4: Simplify right side
    131,704.20x = 21,378,798,580.14
  5. Step 5: Solve for x
    x = 21,378,798,580.14/131,704.20
  6. Step 6: Final answer
    x = 162,324.35

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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.