Home / 126,046.92-189,144.20-69,933.97

Finding the Fourth Proportional to 126,046.92, 189,144.20 and 69,933.97

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Solution

The fourth proportional to 126,046.92, 189,144.20 and 69,933.97 is: 104,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,046.92 : 189,144.20 = 69,933.97 : x
  2. Step 2: Convert to fraction form
    126,046.92/189,144.20 = 69,933.97/x
  3. Step 3: Cross multiply
    126,046.92x = 189,144.20 × 69,933.97
  4. Step 4: Simplify right side
    126,046.92x = 13,227,604,808.47
  5. Step 5: Solve for x
    x = 13,227,604,808.47/126,046.92
  6. Step 6: Final answer
    x = 104,941.91

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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.