Home / 269,936.76-372,512.73-156,766.80

Finding the Fourth Proportional to 269,936.76, 372,512.73 and 156,766.80

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Solution

The fourth proportional to 269,936.76, 372,512.73 and 156,766.80 is: 216,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,936.76 : 372,512.73 = 156,766.80 : x
  2. Step 2: Convert to fraction form
    269,936.76/372,512.73 = 156,766.80/x
  3. Step 3: Cross multiply
    269,936.76x = 372,512.73 × 156,766.80
  4. Step 4: Simplify right side
    269,936.76x = 58,397,628,641.36
  5. Step 5: Solve for x
    x = 58,397,628,641.36/269,936.76
  6. Step 6: Final answer
    x = 216,338.18

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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.