Home / 115,162.26-158,924.25-66,773.58

Finding the Fourth Proportional to 115,162.26, 158,924.25 and 66,773.58

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Solution

The fourth proportional to 115,162.26, 158,924.25 and 66,773.58 is: 92,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,162.26 : 158,924.25 = 66,773.58 : x
  2. Step 2: Convert to fraction form
    115,162.26/158,924.25 = 66,773.58/x
  3. Step 3: Cross multiply
    115,162.26x = 158,924.25 × 66,773.58
  4. Step 4: Simplify right side
    115,162.26x = 10,611,941,121.32
  5. Step 5: Solve for x
    x = 10,611,941,121.32/115,162.26
  6. Step 6: Final answer
    x = 92,147.73

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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.