Home / 126,141.20-188,952.60-63,846.80

Finding the Fourth Proportional to 126,141.20, 188,952.60 and 63,846.80

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Solution

The fourth proportional to 126,141.20, 188,952.60 and 63,846.80 is: 95,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,141.20 : 188,952.60 = 63,846.80 : x
  2. Step 2: Convert to fraction form
    126,141.20/188,952.60 = 63,846.80/x
  3. Step 3: Cross multiply
    126,141.20x = 188,952.60 × 63,846.80
  4. Step 4: Simplify right side
    126,141.20x = 12,064,018,861.68
  5. Step 5: Solve for x
    x = 12,064,018,861.68/126,141.20
  6. Step 6: Final answer
    x = 95,639.01

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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.