Home / 112,164.10-168,440.55-108,664.90

Finding the Fourth Proportional to 112,164.10, 168,440.55 and 108,664.90

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Solution

The fourth proportional to 112,164.10, 168,440.55 and 108,664.90 is: 163,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,164.10 : 168,440.55 = 108,664.90 : x
  2. Step 2: Convert to fraction form
    112,164.10/168,440.55 = 108,664.90/x
  3. Step 3: Cross multiply
    112,164.10x = 168,440.55 × 108,664.90
  4. Step 4: Simplify right side
    112,164.10x = 18,303,575,521.70
  5. Step 5: Solve for x
    x = 18,303,575,521.70/112,164.10
  6. Step 6: Final answer
    x = 163,185.69

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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.