Home / 126,664.26-189,966.55-46,658.79

Finding the Fourth Proportional to 126,664.26, 189,966.55 and 46,658.79

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Solution

The fourth proportional to 126,664.26, 189,966.55 and 46,658.79 is: 69,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,664.26 : 189,966.55 = 46,658.79 : x
  2. Step 2: Convert to fraction form
    126,664.26/189,966.55 = 46,658.79/x
  3. Step 3: Cross multiply
    126,664.26x = 189,966.55 × 46,658.79
  4. Step 4: Simplify right side
    126,664.26x = 8,863,608,180.35
  5. Step 5: Solve for x
    x = 8,863,608,180.35/126,664.26
  6. Step 6: Final answer
    x = 69,977.18

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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.