Home / 185,669.82-256,224.33-100,786.68

Finding the Fourth Proportional to 185,669.82, 256,224.33 and 100,786.68

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Solution

The fourth proportional to 185,669.82, 256,224.33 and 100,786.68 is: 139,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,669.82 : 256,224.33 = 100,786.68 : x
  2. Step 2: Convert to fraction form
    185,669.82/256,224.33 = 100,786.68/x
  3. Step 3: Cross multiply
    185,669.82x = 256,224.33 × 100,786.68
  4. Step 4: Simplify right side
    185,669.82x = 25,823,999,555.92
  5. Step 5: Solve for x
    x = 25,823,999,555.92/185,669.82
  6. Step 6: Final answer
    x = 139,085.61

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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.