Home / 126,334.24-189,294-43,182.88

Finding the Fourth Proportional to 126,334.24, 189,294 and 43,182.88

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Solution

The fourth proportional to 126,334.24, 189,294 and 43,182.88 is: 64,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,334.24 : 189,294 = 43,182.88 : x
  2. Step 2: Convert to fraction form
    126,334.24/189,294 = 43,182.88/x
  3. Step 3: Cross multiply
    126,334.24x = 189,294 × 43,182.88
  4. Step 4: Simplify right side
    126,334.24x = 8,174,260,086.72
  5. Step 5: Solve for x
    x = 8,174,260,086.72/126,334.24
  6. Step 6: Final answer
    x = 64,703.44

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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.