Home / 185,669.94-256,222.76-100,786.89

Finding the Fourth Proportional to 185,669.94, 256,222.76 and 100,786.89

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Solution

The fourth proportional to 185,669.94, 256,222.76 and 100,786.89 is: 139,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,669.94 : 256,222.76 = 100,786.89 : x
  2. Step 2: Convert to fraction form
    185,669.94/256,222.76 = 100,786.89/x
  3. Step 3: Cross multiply
    185,669.94x = 256,222.76 × 100,786.89
  4. Step 4: Simplify right side
    185,669.94x = 25,823,894,623.68
  5. Step 5: Solve for x
    x = 25,823,894,623.68/185,669.94
  6. Step 6: Final answer
    x = 139,084.95

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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.