Home / 109,622.30-164,422.68-74,310.46

Finding the Fourth Proportional to 109,622.30, 164,422.68 and 74,310.46

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Solution

The fourth proportional to 109,622.30, 164,422.68 and 74,310.46 is: 111,458.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,622.30 : 164,422.68 = 74,310.46 : x
  2. Step 2: Convert to fraction form
    109,622.30/164,422.68 = 74,310.46/x
  3. Step 3: Cross multiply
    109,622.30x = 164,422.68 × 74,310.46
  4. Step 4: Simplify right side
    109,622.30x = 12,218,324,985.23
  5. Step 5: Solve for x
    x = 12,218,324,985.23/109,622.30
  6. Step 6: Final answer
    x = 111,458.39

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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.