Home / 191,544.20-287,217.87-102,872.28

Finding the Fourth Proportional to 191,544.20, 287,217.87 and 102,872.28

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Solution

The fourth proportional to 191,544.20, 287,217.87 and 102,872.28 is: 154,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,544.20 : 287,217.87 = 102,872.28 : x
  2. Step 2: Convert to fraction form
    191,544.20/287,217.87 = 102,872.28/x
  3. Step 3: Cross multiply
    191,544.20x = 287,217.87 × 102,872.28
  4. Step 4: Simplify right side
    191,544.20x = 29,546,757,143.64
  5. Step 5: Solve for x
    x = 29,546,757,143.64/191,544.20
  6. Step 6: Final answer
    x = 154,255.56

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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.