Home / 126,101.52-189,182.25-36,145.35

Finding the Fourth Proportional to 126,101.52, 189,182.25 and 36,145.35

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Solution

The fourth proportional to 126,101.52, 189,182.25 and 36,145.35 is: 54,226.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,101.52 : 189,182.25 = 36,145.35 : x
  2. Step 2: Convert to fraction form
    126,101.52/189,182.25 = 36,145.35/x
  3. Step 3: Cross multiply
    126,101.52x = 189,182.25 × 36,145.35
  4. Step 4: Simplify right side
    126,101.52x = 6,838,058,640.04
  5. Step 5: Solve for x
    x = 6,838,058,640.04/126,101.52
  6. Step 6: Final answer
    x = 54,226.62

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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.