Home / 109,734.60-164,601.90-108,568.20

Finding the Fourth Proportional to 109,734.60, 164,601.90 and 108,568.20

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Solution

The fourth proportional to 109,734.60, 164,601.90 and 108,568.20 is: 162,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,734.60 : 164,601.90 = 108,568.20 : x
  2. Step 2: Convert to fraction form
    109,734.60/164,601.90 = 108,568.20/x
  3. Step 3: Cross multiply
    109,734.60x = 164,601.90 × 108,568.20
  4. Step 4: Simplify right side
    109,734.60x = 17,870,531,999.58
  5. Step 5: Solve for x
    x = 17,870,531,999.58/109,734.60
  6. Step 6: Final answer
    x = 162,852.30

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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.