Home / 188,817.68-260,560.69-108,189.14

Finding the Fourth Proportional to 188,817.68, 260,560.69 and 108,189.14

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Solution

The fourth proportional to 188,817.68, 260,560.69 and 108,189.14 is: 149,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,817.68 : 260,560.69 = 108,189.14 : x
  2. Step 2: Convert to fraction form
    188,817.68/260,560.69 = 108,189.14/x
  3. Step 3: Cross multiply
    188,817.68x = 260,560.69 × 108,189.14
  4. Step 4: Simplify right side
    188,817.68x = 28,189,835,395.63
  5. Step 5: Solve for x
    x = 28,189,835,395.63/188,817.68
  6. Step 6: Final answer
    x = 149,296.59

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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.