Home / 168,054.06-231,758.82-122,660.16

Finding the Fourth Proportional to 168,054.06, 231,758.82 and 122,660.16

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Solution

The fourth proportional to 168,054.06, 231,758.82 and 122,660.16 is: 169,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,054.06 : 231,758.82 = 122,660.16 : x
  2. Step 2: Convert to fraction form
    168,054.06/231,758.82 = 122,660.16/x
  3. Step 3: Cross multiply
    168,054.06x = 231,758.82 × 122,660.16
  4. Step 4: Simplify right side
    168,054.06x = 28,427,573,942.61
  5. Step 5: Solve for x
    x = 28,427,573,942.61/168,054.06
  6. Step 6: Final answer
    x = 169,157.32

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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.