Home / 132,563.53-198,845.30-109,140.76

Finding the Fourth Proportional to 132,563.53, 198,845.30 and 109,140.76

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Solution

The fourth proportional to 132,563.53, 198,845.30 and 109,140.76 is: 163,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,563.53 : 198,845.30 = 109,140.76 : x
  2. Step 2: Convert to fraction form
    132,563.53/198,845.30 = 109,140.76/x
  3. Step 3: Cross multiply
    132,563.53x = 198,845.30 × 109,140.76
  4. Step 4: Simplify right side
    132,563.53x = 21,702,127,164.43
  5. Step 5: Solve for x
    x = 21,702,127,164.43/132,563.53
  6. Step 6: Final answer
    x = 163,711.14

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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.