Home / 132,631.32-198,949.04-73,840.64

Finding the Fourth Proportional to 132,631.32, 198,949.04 and 73,840.64

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Solution

The fourth proportional to 132,631.32, 198,949.04 and 73,840.64 is: 110,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,631.32 : 198,949.04 = 73,840.64 : x
  2. Step 2: Convert to fraction form
    132,631.32/198,949.04 = 73,840.64/x
  3. Step 3: Cross multiply
    132,631.32x = 198,949.04 × 73,840.64
  4. Step 4: Simplify right side
    132,631.32x = 14,690,524,440.99
  5. Step 5: Solve for x
    x = 14,690,524,440.99/132,631.32
  6. Step 6: Final answer
    x = 110,762.11

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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.