Home / 195,771.50-270,141.74-115,181.30

Finding the Fourth Proportional to 195,771.50, 270,141.74 and 115,181.30

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Solution

The fourth proportional to 195,771.50, 270,141.74 and 115,181.30 is: 158,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,771.50 : 270,141.74 = 115,181.30 : x
  2. Step 2: Convert to fraction form
    195,771.50/270,141.74 = 115,181.30/x
  3. Step 3: Cross multiply
    195,771.50x = 270,141.74 × 115,181.30
  4. Step 4: Simplify right side
    195,771.50x = 31,115,276,797.46
  5. Step 5: Solve for x
    x = 31,115,276,797.46/195,771.50
  6. Step 6: Final answer
    x = 158,936.70

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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.