Home / 188,471.48-260,151.26-120,671.06

Finding the Fourth Proportional to 188,471.48, 260,151.26 and 120,671.06

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Solution

The fourth proportional to 188,471.48, 260,151.26 and 120,671.06 is: 166,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,471.48 : 260,151.26 = 120,671.06 : x
  2. Step 2: Convert to fraction form
    188,471.48/260,151.26 = 120,671.06/x
  3. Step 3: Cross multiply
    188,471.48x = 260,151.26 × 120,671.06
  4. Step 4: Simplify right side
    188,471.48x = 31,392,726,400.42
  5. Step 5: Solve for x
    x = 31,392,726,400.42/188,471.48
  6. Step 6: Final answer
    x = 166,564.87

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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.