Home / 126,912.42-191,260.24-114,277.64

Finding the Fourth Proportional to 126,912.42, 191,260.24 and 114,277.64

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Solution

The fourth proportional to 126,912.42, 191,260.24 and 114,277.64 is: 172,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,912.42 : 191,260.24 = 114,277.64 : x
  2. Step 2: Convert to fraction form
    126,912.42/191,260.24 = 114,277.64/x
  3. Step 3: Cross multiply
    126,912.42x = 191,260.24 × 114,277.64
  4. Step 4: Simplify right side
    126,912.42x = 21,856,767,611.04
  5. Step 5: Solve for x
    x = 21,856,767,611.04/126,912.42
  6. Step 6: Final answer
    x = 172,219.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.