Home / 187,076.73-258,165.45-102,194.40

Finding the Fourth Proportional to 187,076.73, 258,165.45 and 102,194.40

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Solution

The fourth proportional to 187,076.73, 258,165.45 and 102,194.40 is: 141,028.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,076.73 : 258,165.45 = 102,194.40 : x
  2. Step 2: Convert to fraction form
    187,076.73/258,165.45 = 102,194.40/x
  3. Step 3: Cross multiply
    187,076.73x = 258,165.45 × 102,194.40
  4. Step 4: Simplify right side
    187,076.73x = 26,383,063,263.48
  5. Step 5: Solve for x
    x = 26,383,063,263.48/187,076.73
  6. Step 6: Final answer
    x = 141,028.03

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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.