Home / 188,659.12-260,368.68-108,097.32

Finding the Fourth Proportional to 188,659.12, 260,368.68 and 108,097.32

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Solution

The fourth proportional to 188,659.12, 260,368.68 and 108,097.32 is: 149,185.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,659.12 : 260,368.68 = 108,097.32 : x
  2. Step 2: Convert to fraction form
    188,659.12/260,368.68 = 108,097.32/x
  3. Step 3: Cross multiply
    188,659.12x = 260,368.68 × 108,097.32
  4. Step 4: Simplify right side
    188,659.12x = 28,145,156,519.94
  5. Step 5: Solve for x
    x = 28,145,156,519.94/188,659.12
  6. Step 6: Final answer
    x = 149,185.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.