Home / 132,063.20-198,149.52-72,893.60

Finding the Fourth Proportional to 132,063.20, 198,149.52 and 72,893.60

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Solution

The fourth proportional to 132,063.20, 198,149.52 and 72,893.60 is: 109,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,063.20 : 198,149.52 = 72,893.60 : x
  2. Step 2: Convert to fraction form
    132,063.20/198,149.52 = 72,893.60/x
  3. Step 3: Cross multiply
    132,063.20x = 198,149.52 × 72,893.60
  4. Step 4: Simplify right side
    132,063.20x = 14,443,831,851.07
  5. Step 5: Solve for x
    x = 14,443,831,851.07/132,063.20
  6. Step 6: Final answer
    x = 109,370.60

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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.