Home / 187,074.22-258,168.10-102,196.75

Finding the Fourth Proportional to 187,074.22, 258,168.10 and 102,196.75

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Solution

The fourth proportional to 187,074.22, 258,168.10 and 102,196.75 is: 141,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,074.22 : 258,168.10 = 102,196.75 : x
  2. Step 2: Convert to fraction form
    187,074.22/258,168.10 = 102,196.75/x
  3. Step 3: Cross multiply
    187,074.22x = 258,168.10 × 102,196.75
  4. Step 4: Simplify right side
    187,074.22x = 26,383,940,773.68
  5. Step 5: Solve for x
    x = 26,383,940,773.68/187,074.22
  6. Step 6: Final answer
    x = 141,034.62

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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.