Home / 187,604.01-258,896.39-102,728.97

Finding the Fourth Proportional to 187,604.01, 258,896.39 and 102,728.97

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Solution

The fourth proportional to 187,604.01, 258,896.39 and 102,728.97 is: 141,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,604.01 : 258,896.39 = 102,728.97 : x
  2. Step 2: Convert to fraction form
    187,604.01/258,896.39 = 102,728.97/x
  3. Step 3: Cross multiply
    187,604.01x = 258,896.39 × 102,728.97
  4. Step 4: Simplify right side
    187,604.01x = 26,596,158,967.77
  5. Step 5: Solve for x
    x = 26,596,158,967.77/187,604.01
  6. Step 6: Final answer
    x = 141,767.54

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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.