Home / 188,037.68-281,791.35-103,835.75

Finding the Fourth Proportional to 188,037.68, 281,791.35 and 103,835.75

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Solution

The fourth proportional to 188,037.68, 281,791.35 and 103,835.75 is: 155,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,037.68 : 281,791.35 = 103,835.75 : x
  2. Step 2: Convert to fraction form
    188,037.68/281,791.35 = 103,835.75/x
  3. Step 3: Cross multiply
    188,037.68x = 281,791.35 × 103,835.75
  4. Step 4: Simplify right side
    188,037.68x = 29,260,016,875.24
  5. Step 5: Solve for x
    x = 29,260,016,875.24/188,037.68
  6. Step 6: Final answer
    x = 155,607.20

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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.