Home / 132,440.03-198,784.88-48,281.54

Finding the Fourth Proportional to 132,440.03, 198,784.88 and 48,281.54

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Solution

The fourth proportional to 132,440.03, 198,784.88 and 48,281.54 is: 72,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,440.03 : 198,784.88 = 48,281.54 : x
  2. Step 2: Convert to fraction form
    132,440.03/198,784.88 = 48,281.54/x
  3. Step 3: Cross multiply
    132,440.03x = 198,784.88 × 48,281.54
  4. Step 4: Simplify right side
    132,440.03x = 9,597,639,352.42
  5. Step 5: Solve for x
    x = 9,597,639,352.42/132,440.03
  6. Step 6: Final answer
    x = 72,467.81

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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.