Home / 126,086.56-189,173.04-43,038.88

Finding the Fourth Proportional to 126,086.56, 189,173.04 and 43,038.88

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Solution

The fourth proportional to 126,086.56, 189,173.04 and 43,038.88 is: 64,573.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,086.56 : 189,173.04 = 43,038.88 : x
  2. Step 2: Convert to fraction form
    126,086.56/189,173.04 = 43,038.88/x
  3. Step 3: Cross multiply
    126,086.56x = 189,173.04 × 43,038.88
  4. Step 4: Simplify right side
    126,086.56x = 8,141,795,767.80
  5. Step 5: Solve for x
    x = 8,141,795,767.80/126,086.56
  6. Step 6: Final answer
    x = 64,573.07

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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.