Home / 126,614.76-189,631.34-63,240.36

Finding the Fourth Proportional to 126,614.76, 189,631.34 and 63,240.36

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Solution

The fourth proportional to 126,614.76, 189,631.34 and 63,240.36 is: 94,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,614.76 : 189,631.34 = 63,240.36 : x
  2. Step 2: Convert to fraction form
    126,614.76/189,631.34 = 63,240.36/x
  3. Step 3: Cross multiply
    126,614.76x = 189,631.34 × 63,240.36
  4. Step 4: Simplify right side
    126,614.76x = 11,992,354,208.88
  5. Step 5: Solve for x
    x = 11,992,354,208.88/126,614.76
  6. Step 6: Final answer
    x = 94,715.29

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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.