Home / 187,805.22-259,171.14-102,922.21

Finding the Fourth Proportional to 187,805.22, 259,171.14 and 102,922.21

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Solution

The fourth proportional to 187,805.22, 259,171.14 and 102,922.21 is: 142,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,805.22 : 259,171.14 = 102,922.21 : x
  2. Step 2: Convert to fraction form
    187,805.22/259,171.14 = 102,922.21/x
  3. Step 3: Cross multiply
    187,805.22x = 259,171.14 × 102,922.21
  4. Step 4: Simplify right side
    187,805.22x = 26,674,466,497.02
  5. Step 5: Solve for x
    x = 26,674,466,497.02/187,805.22
  6. Step 6: Final answer
    x = 142,032.61

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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.