Home / 115,186.42-158,958.85-64,197.73

Finding the Fourth Proportional to 115,186.42, 158,958.85 and 64,197.73

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Solution

The fourth proportional to 115,186.42, 158,958.85 and 64,197.73 is: 88,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,186.42 : 158,958.85 = 64,197.73 : x
  2. Step 2: Convert to fraction form
    115,186.42/158,958.85 = 64,197.73/x
  3. Step 3: Cross multiply
    115,186.42x = 158,958.85 × 64,197.73
  4. Step 4: Simplify right side
    115,186.42x = 10,204,796,775.52
  5. Step 5: Solve for x
    x = 10,204,796,775.52/115,186.42
  6. Step 6: Final answer
    x = 88,593.75

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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.