Home / 132,221.10-198,416.70-73,099.20

Finding the Fourth Proportional to 132,221.10, 198,416.70 and 73,099.20

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Solution

The fourth proportional to 132,221.10, 198,416.70 and 73,099.20 is: 109,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,221.10 : 198,416.70 = 73,099.20 : x
  2. Step 2: Convert to fraction form
    132,221.10/198,416.70 = 73,099.20/x
  3. Step 3: Cross multiply
    132,221.10x = 198,416.70 × 73,099.20
  4. Step 4: Simplify right side
    132,221.10x = 14,504,102,036.64
  5. Step 5: Solve for x
    x = 14,504,102,036.64/132,221.10
  6. Step 6: Final answer
    x = 109,695.82

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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.