Home / 188,575.28-260,231-102,533.57

Finding the Fourth Proportional to 188,575.28, 260,231 and 102,533.57

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Solution

The fourth proportional to 188,575.28, 260,231 and 102,533.57 is: 141,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,575.28 : 260,231 = 102,533.57 : x
  2. Step 2: Convert to fraction form
    188,575.28/260,231 = 102,533.57/x
  3. Step 3: Cross multiply
    188,575.28x = 260,231 × 102,533.57
  4. Step 4: Simplify right side
    188,575.28x = 26,682,413,454.67
  5. Step 5: Solve for x
    x = 26,682,413,454.67/188,575.28
  6. Step 6: Final answer
    x = 141,494.76

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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.