Home / 185,664.39-256,222.13-100,786.92

Finding the Fourth Proportional to 185,664.39, 256,222.13 and 100,786.92

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Solution

The fourth proportional to 185,664.39, 256,222.13 and 100,786.92 is: 139,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,664.39 : 256,222.13 = 100,786.92 : x
  2. Step 2: Convert to fraction form
    185,664.39/256,222.13 = 100,786.92/x
  3. Step 3: Cross multiply
    185,664.39x = 256,222.13 × 100,786.92
  4. Step 4: Simplify right side
    185,664.39x = 25,823,839,318.54
  5. Step 5: Solve for x
    x = 25,823,839,318.54/185,664.39
  6. Step 6: Final answer
    x = 139,088.81

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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.