Home / 126,219.86-189,288.68-41,957.42

Finding the Fourth Proportional to 126,219.86, 189,288.68 and 41,957.42

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Solution

The fourth proportional to 126,219.86, 189,288.68 and 41,957.42 is: 62,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,219.86 : 189,288.68 = 41,957.42 : x
  2. Step 2: Convert to fraction form
    126,219.86/189,288.68 = 41,957.42/x
  3. Step 3: Cross multiply
    126,219.86x = 189,288.68 × 41,957.42
  4. Step 4: Simplify right side
    126,219.86x = 7,942,064,648.01
  5. Step 5: Solve for x
    x = 7,942,064,648.01/126,219.86
  6. Step 6: Final answer
    x = 62,922.46

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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.