Home / 146,728.77-220,093.17-76,591.68

Finding the Fourth Proportional to 146,728.77, 220,093.17 and 76,591.68

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Solution

The fourth proportional to 146,728.77, 220,093.17 and 76,591.68 is: 114,887.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,728.77 : 220,093.17 = 76,591.68 : x
  2. Step 2: Convert to fraction form
    146,728.77/220,093.17 = 76,591.68/x
  3. Step 3: Cross multiply
    146,728.77x = 220,093.17 × 76,591.68
  4. Step 4: Simplify right side
    146,728.77x = 16,857,305,646.83
  5. Step 5: Solve for x
    x = 16,857,305,646.83/146,728.77
  6. Step 6: Final answer
    x = 114,887.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.