Home / 126,388.20-189,585.50-32,898.28

Finding the Fourth Proportional to 126,388.20, 189,585.50 and 32,898.28

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Solution

The fourth proportional to 126,388.20, 189,585.50 and 32,898.28 is: 49,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,388.20 : 189,585.50 = 32,898.28 : x
  2. Step 2: Convert to fraction form
    126,388.20/189,585.50 = 32,898.28/x
  3. Step 3: Cross multiply
    126,388.20x = 189,585.50 × 32,898.28
  4. Step 4: Simplify right side
    126,388.20x = 6,237,036,862.94
  5. Step 5: Solve for x
    x = 6,237,036,862.94/126,388.20
  6. Step 6: Final answer
    x = 49,348.25

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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.