Home / 187,857.10-281,843.97-168,008.86

Finding the Fourth Proportional to 187,857.10, 281,843.97 and 168,008.86

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Solution

The fourth proportional to 187,857.10, 281,843.97 and 168,008.86 is: 252,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,857.10 : 281,843.97 = 168,008.86 : x
  2. Step 2: Convert to fraction form
    187,857.10/281,843.97 = 168,008.86/x
  3. Step 3: Cross multiply
    187,857.10x = 281,843.97 × 168,008.86
  4. Step 4: Simplify right side
    187,857.10x = 47,352,284,097.57
  5. Step 5: Solve for x
    x = 47,352,284,097.57/187,857.10
  6. Step 6: Final answer
    x = 252,065.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.