Home / 109,517.94-164,251.80-30,640.14

Finding the Fourth Proportional to 109,517.94, 164,251.80 and 30,640.14

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Solution

The fourth proportional to 109,517.94, 164,251.80 and 30,640.14 is: 45,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,517.94 : 164,251.80 = 30,640.14 : x
  2. Step 2: Convert to fraction form
    109,517.94/164,251.80 = 30,640.14/x
  3. Step 3: Cross multiply
    109,517.94x = 164,251.80 × 30,640.14
  4. Step 4: Simplify right side
    109,517.94x = 5,032,698,147.25
  5. Step 5: Solve for x
    x = 5,032,698,147.25/109,517.94
  6. Step 6: Final answer
    x = 45,953.18

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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.