Home / 132,621.03-198,933.65-73,830.38

Finding the Fourth Proportional to 132,621.03, 198,933.65 and 73,830.38

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Solution

The fourth proportional to 132,621.03, 198,933.65 and 73,830.38 is: 110,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,621.03 : 198,933.65 = 73,830.38 : x
  2. Step 2: Convert to fraction form
    132,621.03/198,933.65 = 73,830.38/x
  3. Step 3: Cross multiply
    132,621.03x = 198,933.65 × 73,830.38
  4. Step 4: Simplify right side
    132,621.03x = 14,687,345,610.47
  5. Step 5: Solve for x
    x = 14,687,345,610.47/132,621.03
  6. Step 6: Final answer
    x = 110,746.73

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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.