Home / 187,258.38-258,416.52-102,375.44

Finding the Fourth Proportional to 187,258.38, 258,416.52 and 102,375.44

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Solution

The fourth proportional to 187,258.38, 258,416.52 and 102,375.44 is: 141,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,258.38 : 258,416.52 = 102,375.44 : x
  2. Step 2: Convert to fraction form
    187,258.38/258,416.52 = 102,375.44/x
  3. Step 3: Cross multiply
    187,258.38x = 258,416.52 × 102,375.44
  4. Step 4: Simplify right side
    187,258.38x = 26,455,504,938.27
  5. Step 5: Solve for x
    x = 26,455,504,938.27/187,258.38
  6. Step 6: Final answer
    x = 141,278.08

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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.