Home / 187,595.78-258,906.84-107,004.80

Finding the Fourth Proportional to 187,595.78, 258,906.84 and 107,004.80

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Solution

The fourth proportional to 187,595.78, 258,906.84 and 107,004.80 is: 147,680.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,595.78 : 258,906.84 = 107,004.80 : x
  2. Step 2: Convert to fraction form
    187,595.78/258,906.84 = 107,004.80/x
  3. Step 3: Cross multiply
    187,595.78x = 258,906.84 × 107,004.80
  4. Step 4: Simplify right side
    187,595.78x = 27,704,274,632.83
  5. Step 5: Solve for x
    x = 27,704,274,632.83/187,595.78
  6. Step 6: Final answer
    x = 147,680.69

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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.