Home / 109,198.90-163,837.76-38,132.01

Finding the Fourth Proportional to 109,198.90, 163,837.76 and 38,132.01

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Solution

The fourth proportional to 109,198.90, 163,837.76 and 38,132.01 is: 57,211.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,198.90 : 163,837.76 = 38,132.01 : x
  2. Step 2: Convert to fraction form
    109,198.90/163,837.76 = 38,132.01/x
  3. Step 3: Cross multiply
    109,198.90x = 163,837.76 × 38,132.01
  4. Step 4: Simplify right side
    109,198.90x = 6,247,462,912.04
  5. Step 5: Solve for x
    x = 6,247,462,912.04/109,198.90
  6. Step 6: Final answer
    x = 57,211.78

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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.