Home / 187,700.19-259,042.22-106,043.45

Finding the Fourth Proportional to 187,700.19, 259,042.22 and 106,043.45

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Solution

The fourth proportional to 187,700.19, 259,042.22 and 106,043.45 is: 146,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,700.19 : 259,042.22 = 106,043.45 : x
  2. Step 2: Convert to fraction form
    187,700.19/259,042.22 = 106,043.45/x
  3. Step 3: Cross multiply
    187,700.19x = 259,042.22 × 106,043.45
  4. Step 4: Simplify right side
    187,700.19x = 27,469,729,276.69
  5. Step 5: Solve for x
    x = 27,469,729,276.69/187,700.19
  6. Step 6: Final answer
    x = 146,348.97

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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.