Home / 109,344.10-164,016.15-82,905.70

Finding the Fourth Proportional to 109,344.10, 164,016.15 and 82,905.70

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Solution

The fourth proportional to 109,344.10, 164,016.15 and 82,905.70 is: 124,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,344.10 : 164,016.15 = 82,905.70 : x
  2. Step 2: Convert to fraction form
    109,344.10/164,016.15 = 82,905.70/x
  3. Step 3: Cross multiply
    109,344.10x = 164,016.15 × 82,905.70
  4. Step 4: Simplify right side
    109,344.10x = 13,597,873,727.06
  5. Step 5: Solve for x
    x = 13,597,873,727.06/109,344.10
  6. Step 6: Final answer
    x = 124,358.55

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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.