Home / 171,857.19-237,278.57-131,498.84

Finding the Fourth Proportional to 171,857.19, 237,278.57 and 131,498.84

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Solution

The fourth proportional to 171,857.19, 237,278.57 and 131,498.84 is: 181,556.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,857.19 : 237,278.57 = 131,498.84 : x
  2. Step 2: Convert to fraction form
    171,857.19/237,278.57 = 131,498.84/x
  3. Step 3: Cross multiply
    171,857.19x = 237,278.57 × 131,498.84
  4. Step 4: Simplify right side
    171,857.19x = 31,201,856,647.56
  5. Step 5: Solve for x
    x = 31,201,856,647.56/171,857.19
  6. Step 6: Final answer
    x = 181,556.88

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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.