Home / 126,563.10-189,846.90-37,817.70

Finding the Fourth Proportional to 126,563.10, 189,846.90 and 37,817.70

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Solution

The fourth proportional to 126,563.10, 189,846.90 and 37,817.70 is: 56,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,563.10 : 189,846.90 = 37,817.70 : x
  2. Step 2: Convert to fraction form
    126,563.10/189,846.90 = 37,817.70/x
  3. Step 3: Cross multiply
    126,563.10x = 189,846.90 × 37,817.70
  4. Step 4: Simplify right side
    126,563.10x = 7,179,573,110.13
  5. Step 5: Solve for x
    x = 7,179,573,110.13/126,563.10
  6. Step 6: Final answer
    x = 56,727.22

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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.