Home / 126,108.56-189,206.04-43,060.88

Finding the Fourth Proportional to 126,108.56, 189,206.04 and 43,060.88

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Solution

The fourth proportional to 126,108.56, 189,206.04 and 43,060.88 is: 64,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,108.56 : 189,206.04 = 43,060.88 : x
  2. Step 2: Convert to fraction form
    126,108.56/189,206.04 = 43,060.88/x
  3. Step 3: Cross multiply
    126,108.56x = 189,206.04 × 43,060.88
  4. Step 4: Simplify right side
    126,108.56x = 8,147,378,583.72
  5. Step 5: Solve for x
    x = 8,147,378,583.72/126,108.56
  6. Step 6: Final answer
    x = 64,606.07

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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.