Home / 188,027.58-281,785.38-103,661.22

Finding the Fourth Proportional to 188,027.58, 281,785.38 and 103,661.22

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Solution

The fourth proportional to 188,027.58, 281,785.38 and 103,661.22 is: 155,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,027.58 : 281,785.38 = 103,661.22 : x
  2. Step 2: Convert to fraction form
    188,027.58/281,785.38 = 103,661.22/x
  3. Step 3: Cross multiply
    188,027.58x = 281,785.38 × 103,661.22
  4. Step 4: Simplify right side
    188,027.58x = 29,210,216,268.96
  5. Step 5: Solve for x
    x = 29,210,216,268.96/188,027.58
  6. Step 6: Final answer
    x = 155,350.70

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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.