Home / 185,649.06-256,195.98-100,766.19

Finding the Fourth Proportional to 185,649.06, 256,195.98 and 100,766.19

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Solution

The fourth proportional to 185,649.06, 256,195.98 and 100,766.19 is: 139,057.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,649.06 : 256,195.98 = 100,766.19 : x
  2. Step 2: Convert to fraction form
    185,649.06/256,195.98 = 100,766.19/x
  3. Step 3: Cross multiply
    185,649.06x = 256,195.98 × 100,766.19
  4. Step 4: Simplify right side
    185,649.06x = 25,815,892,797.92
  5. Step 5: Solve for x
    x = 25,815,892,797.92/185,649.06
  6. Step 6: Final answer
    x = 139,057.49

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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.