Home / 115,221.38-172,832.16-32,115.38

Finding the Fourth Proportional to 115,221.38, 172,832.16 and 32,115.38

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Solution

The fourth proportional to 115,221.38, 172,832.16 and 32,115.38 is: 48,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,221.38 : 172,832.16 = 32,115.38 : x
  2. Step 2: Convert to fraction form
    115,221.38/172,832.16 = 32,115.38/x
  3. Step 3: Cross multiply
    115,221.38x = 172,832.16 × 32,115.38
  4. Step 4: Simplify right side
    115,221.38x = 5,550,569,750.89
  5. Step 5: Solve for x
    x = 5,550,569,750.89/115,221.38
  6. Step 6: Final answer
    x = 48,173.09

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1.5x scale

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.