Home / 185,588.73-256,117.41-100,705.86

Finding the Fourth Proportional to 185,588.73, 256,117.41 and 100,705.86

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Solution

The fourth proportional to 185,588.73, 256,117.41 and 100,705.86 is: 138,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,588.73 : 256,117.41 = 100,705.86 : x
  2. Step 2: Convert to fraction form
    185,588.73/256,117.41 = 100,705.86/x
  3. Step 3: Cross multiply
    185,588.73x = 256,117.41 × 100,705.86
  4. Step 4: Simplify right side
    185,588.73x = 25,792,524,035.02
  5. Step 5: Solve for x
    x = 25,792,524,035.02/185,588.73
  6. Step 6: Final answer
    x = 138,976.78

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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.