Home / 165,093.30-247,625.55-54,285.30

Finding the Fourth Proportional to 165,093.30, 247,625.55 and 54,285.30

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Solution

The fourth proportional to 165,093.30, 247,625.55 and 54,285.30 is: 81,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,093.30 : 247,625.55 = 54,285.30 : x
  2. Step 2: Convert to fraction form
    165,093.30/247,625.55 = 54,285.30/x
  3. Step 3: Cross multiply
    165,093.30x = 247,625.55 × 54,285.30
  4. Step 4: Simplify right side
    165,093.30x = 13,442,427,269.42
  5. Step 5: Solve for x
    x = 13,442,427,269.42/165,093.30
  6. Step 6: Final answer
    x = 81,423.22

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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.