Home / 109,306.26-163,982.43-35,428.50

Finding the Fourth Proportional to 109,306.26, 163,982.43 and 35,428.50

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Solution

The fourth proportional to 109,306.26, 163,982.43 and 35,428.50 is: 53,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,306.26 : 163,982.43 = 35,428.50 : x
  2. Step 2: Convert to fraction form
    109,306.26/163,982.43 = 35,428.50/x
  3. Step 3: Cross multiply
    109,306.26x = 163,982.43 × 35,428.50
  4. Step 4: Simplify right side
    109,306.26x = 5,809,651,521.26
  5. Step 5: Solve for x
    x = 5,809,651,521.26/109,306.26
  6. Step 6: Final answer
    x = 53,150.22

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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.