Home / 187,680.92-259,003.88-107,106.84

Finding the Fourth Proportional to 187,680.92, 259,003.88 and 107,106.84

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Solution

The fourth proportional to 187,680.92, 259,003.88 and 107,106.84 is: 147,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,680.92 : 259,003.88 = 107,106.84 : x
  2. Step 2: Convert to fraction form
    187,680.92/259,003.88 = 107,106.84/x
  3. Step 3: Cross multiply
    187,680.92x = 259,003.88 × 107,106.84
  4. Step 4: Simplify right side
    187,680.92x = 27,741,087,134.54
  5. Step 5: Solve for x
    x = 27,741,087,134.54/187,680.92
  6. Step 6: Final answer
    x = 147,809.84

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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.