Home / 126,469.50-189,612.02-73,086.23

Finding the Fourth Proportional to 126,469.50, 189,612.02 and 73,086.23

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Solution

The fourth proportional to 126,469.50, 189,612.02 and 73,086.23 is: 109,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,469.50 : 189,612.02 = 73,086.23 : x
  2. Step 2: Convert to fraction form
    126,469.50/189,612.02 = 73,086.23/x
  3. Step 3: Cross multiply
    126,469.50x = 189,612.02 × 73,086.23
  4. Step 4: Simplify right side
    126,469.50x = 13,858,026,939.14
  5. Step 5: Solve for x
    x = 13,858,026,939.14/126,469.50
  6. Step 6: Final answer
    x = 109,576.04

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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.