Home / 109,197.20-163,810.22-38,121.12

Finding the Fourth Proportional to 109,197.20, 163,810.22 and 38,121.12

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Solution

The fourth proportional to 109,197.20, 163,810.22 and 38,121.12 is: 57,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,197.20 : 163,810.22 = 38,121.12 : x
  2. Step 2: Convert to fraction form
    109,197.20/163,810.22 = 38,121.12/x
  3. Step 3: Cross multiply
    109,197.20x = 163,810.22 × 38,121.12
  4. Step 4: Simplify right side
    109,197.20x = 6,244,628,863.24
  5. Step 5: Solve for x
    x = 6,244,628,863.24/109,197.20
  6. Step 6: Final answer
    x = 57,186.71

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1.5x scale

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.