Home / 168,749.70-253,124.55-109,652.10

Finding the Fourth Proportional to 168,749.70, 253,124.55 and 109,652.10

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Solution

The fourth proportional to 168,749.70, 253,124.55 and 109,652.10 is: 164,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,749.70 : 253,124.55 = 109,652.10 : x
  2. Step 2: Convert to fraction form
    168,749.70/253,124.55 = 109,652.10/x
  3. Step 3: Cross multiply
    168,749.70x = 253,124.55 × 109,652.10
  4. Step 4: Simplify right side
    168,749.70x = 27,755,638,469.06
  5. Step 5: Solve for x
    x = 27,755,638,469.06/168,749.70
  6. Step 6: Final answer
    x = 164,478.15

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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.