Home / 126,476.20-189,584.70-73,858.60

Finding the Fourth Proportional to 126,476.20, 189,584.70 and 73,858.60

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Solution

The fourth proportional to 126,476.20, 189,584.70 and 73,858.60 is: 110,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,476.20 : 189,584.70 = 73,858.60 : x
  2. Step 2: Convert to fraction form
    126,476.20/189,584.70 = 73,858.60/x
  3. Step 3: Cross multiply
    126,476.20x = 189,584.70 × 73,858.60
  4. Step 4: Simplify right side
    126,476.20x = 14,002,460,523.42
  5. Step 5: Solve for x
    x = 14,002,460,523.42/126,476.20
  6. Step 6: Final answer
    x = 110,712.22

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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.