Home / 165,057.72-247,584.32-52,736.40

Finding the Fourth Proportional to 165,057.72, 247,584.32 and 52,736.40

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Solution

The fourth proportional to 165,057.72, 247,584.32 and 52,736.40 is: 79,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,057.72 : 247,584.32 = 52,736.40 : x
  2. Step 2: Convert to fraction form
    165,057.72/247,584.32 = 52,736.40/x
  3. Step 3: Cross multiply
    165,057.72x = 247,584.32 × 52,736.40
  4. Step 4: Simplify right side
    165,057.72x = 13,056,705,733.25
  5. Step 5: Solve for x
    x = 13,056,705,733.25/165,057.72
  6. Step 6: Final answer
    x = 79,103.88

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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.