Home / 185,669.49-256,223.67-100,786.56

Finding the Fourth Proportional to 185,669.49, 256,223.67 and 100,786.56

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Solution

The fourth proportional to 185,669.49, 256,223.67 and 100,786.56 is: 139,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,669.49 : 256,223.67 = 100,786.56 : x
  2. Step 2: Convert to fraction form
    185,669.49/256,223.67 = 100,786.56/x
  3. Step 3: Cross multiply
    185,669.49x = 256,223.67 × 100,786.56
  4. Step 4: Simplify right side
    185,669.49x = 25,823,902,289.88
  5. Step 5: Solve for x
    x = 25,823,902,289.88/185,669.49
  6. Step 6: Final answer
    x = 139,085.33

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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.