Home / 132,001.20-198,001.80-43,233.30

Finding the Fourth Proportional to 132,001.20, 198,001.80 and 43,233.30

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Solution

The fourth proportional to 132,001.20, 198,001.80 and 43,233.30 is: 64,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,001.20 : 198,001.80 = 43,233.30 : x
  2. Step 2: Convert to fraction form
    132,001.20/198,001.80 = 43,233.30/x
  3. Step 3: Cross multiply
    132,001.20x = 198,001.80 × 43,233.30
  4. Step 4: Simplify right side
    132,001.20x = 8,560,271,219.94
  5. Step 5: Solve for x
    x = 8,560,271,219.94/132,001.20
  6. Step 6: Final answer
    x = 64,849.95

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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.